EP4198647A1 - Wasserdichtes uhrgehäuse - Google Patents

Wasserdichtes uhrgehäuse Download PDF

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Publication number
EP4198647A1
EP4198647A1 EP21215150.0A EP21215150A EP4198647A1 EP 4198647 A1 EP4198647 A1 EP 4198647A1 EP 21215150 A EP21215150 A EP 21215150A EP 4198647 A1 EP4198647 A1 EP 4198647A1
Authority
EP
European Patent Office
Prior art keywords
annular
crystal
watch case
radius
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21215150.0A
Other languages
English (en)
French (fr)
Inventor
Gregory Kissling
Cédric KALTENRIEDER-ELLIS
Nicolas LAZZARI
Gilles Derriey
Jérôme VIPREY
Yves Winkler
Baptiste Hinaux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omega SA
Original Assignee
Omega SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omega SA filed Critical Omega SA
Priority to EP21215150.0A priority Critical patent/EP4198647A1/de
Priority to US18/050,768 priority patent/US20230195041A1/en
Priority to JP2022187197A priority patent/JP2023089941A/ja
Priority to CN202211614932.6A priority patent/CN116266046A/zh
Publication of EP4198647A1 publication Critical patent/EP4198647A1/de
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/02—Sealing crystals or glasses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/11—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist watches
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/088—Means affording hermetic sealing inside the case, e.g. protective case for the clockwork against dust, the escapement being in a hermetically sealed case
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/06—Devices for shaping or setting watch glasses
    • G04D3/067—Setting or taking apart, whereby a temporary deformation of the glass may take place

Definitions

  • the present invention relates to a waterproof watch case in particular for a diver's watch.
  • the watch case which includes a watch movement or a time-based watch module, must be closed in a well-sealed manner.
  • the watch case comprises a back fixed in leaktight manner to a first side of a middle part and a crystal fixed to a second opposite side of the middle part. Gaskets are provided for assembling the back, middle and watch crystal.
  • a member for controlling or adjusting the functions of the watch is also mounted in a sealed manner through the middle part of the case in the rest position.
  • watch cases are not configured or assembled to withstand high water pressures, for example during a dive, since the pressure inside the watch case is close to atmospheric pressure.
  • Simple traditional watch gaskets are not enough to guarantee a good watertightness of the case when diving at very great depths under water.
  • the watch case consists of a crystal fixed on an upper side to a middle-bezel and of a back fixed to the middle by screwing it to an internal tapping of the middle.
  • the crystal is fixed to the case middle by an annular sealing ring in the shape of a torus and resting on an edge of the case middle.
  • a seal is also provided between an outer edge of the back and a lower surface of the torus-shaped caseband.
  • the patent CH 372 606 describes a waterproof watch case, which has a central part or middle part surrounding a bottom and closed by a crystal. A threaded ring rests against an inclined outer surface of the back to retain it, and is screwed to a fixing part connected to the middle part. With such an arrangement presented, this does not make it possible to guarantee good sealing of the box during a dive to very great depths under water, in particular below 4000 m in depth (abyssal zone), which constitutes a inconvenience.
  • Ice is a disc of transparent mineral material (glass, crystal).
  • a soft or malleable metal trim (gold, platinum, silver, copper, tin) is driven around the periphery of the glass against an upper rim.
  • This crystal and lining assembly is driven into a cylindrical bore of a support, such as a middle part.
  • the diameter of the cylindrical bore is slightly smaller than the outer diameter of the soft metal lining to ensure good sealing when driving the assembly into the cylindrical bore.
  • the glass comprises a conical bearing surface on an inner side to come into direct contact against a complementary conical bearing surface of the middle part.
  • a disadvantage of such contact between crystal and caseband is that it is difficult to ensure good direct contact between the two conical surfaces, because there is a risk of not having the same geometry and thus can have an impact on the mechanical strength of the assembly.
  • the soft metal gasket can ensure good sealing, its main disadvantage is that it must be changed each time the watch case is opened. and in principle, it is preferred to use a material resistant to the external environment.
  • the main purpose of the invention is therefore to overcome the disadvantages of the state of the art described above by proposing a waterproof watch case adapted to withstand high water pressures for diving at great depths. under water.
  • the present invention relates to a waterproof watch case, which comprises the characteristics of independent claims 1 to 3.
  • An advantage of the present invention lies in the fact that direct contact is made between the crystal and the caseband on an annular line of contact, preferably in a centered position below a crystal fixing joint in the upper part of the case middle, which is seen from the center of the watch case towards the crystal.
  • the fixing joint is disposed between an upper annular inner wall of the middle part and an upper annular outer wall of the crystal.
  • the crystal comprises an annular peripheral surface which is inclined at an angle smaller than 90° with respect to an axis perpendicular to a watch case plane.
  • the annular peripheral surface comprises a domed contact surface portion having a convex curvature having a first radius for contacting an annular inner surface of the inclination middle part substantially equal to the inclination of the annular peripheral surface.
  • the contact between the two surfaces defines an annular line of contact.
  • the inner annular surface is a surface inclined at an angle similar to the angle of inclination of the annular peripheral surface, but with a regular slope without variation in the profile of the surface in the direction of the center of the watch case. Thanks to this, the direct contact between the two inclined surfaces is well centered.
  • the crystal-middle contact zone moves downwards from generally conical surfaces at the level of the domed contact surface portion as the pressure increases.
  • the latter also causes an increase in the stress in the contact zone which, by elastic deformation of the materials, increases the crystal-middle bearing surface and therefore reduces the local stresses in the middle and the crystal. This advantageously contributes to reducing the risks of rupture by compression of the ice.
  • the curved contact surface portion can be located on the inner annular surface of the middle part, while the annular peripheral surface of the crystal has an inclination with a regular slope towards the center of the watch case.
  • the contact of the two surfaces also takes place in a well-centred manner.
  • each surface comprises its own curved contact surface portion to establish direct contact with the other surface on a line of contact which is also well centered.
  • the watch case can take the form of a cylinder, an elliptical cylinder, a parallelepiped or the form of a prism or other shapes that can be adapted to a watch worn on a person's wrist.
  • annular peripheral surface of the crystal, as well as the annular inner surface of the middle part each comprise a set of walls inclined towards the center of the watch case and linked one after the other forming a ring.
  • curved portions are made on the walls of one of the surfaces, while the other surface is made up of flat plates inclined towards the center of the watch case and with a regular slope, therefore without variation in the profile of the watch case.
  • inclined surface. Roundings may be provided at each wall connection of each inclined surface.
  • all the plates of the two surfaces of substantially complementary shape can comprise domed portions to come into contact against each other along an annular line of contact in the centered position of the surfaces.
  • THE figures 1a to 1c represent a first embodiment of a watch case 1, which can be used for a diver's watch.
  • the watch case 1 essentially comprises a crystal 3, which can be in sapphire or in mineral glass, fixed to an upper side of a middle part 2 by means of a fixing joint 5, and possibly a back 4 mounted on a lower side of the middle part 2.
  • a watch movement or module 10 can be arranged in the watch case 1 in a position indicated by the reference 10.
  • At least one control member 9, such as a stem-crown, can be mounted in a sealed manner in the rest position on or through the middle part 2 for setting the time, the date or other functions of the diver's watch.
  • the annular fixing joint 5 is placed between an annular inner wall 22 of the middle part 2 and an annular outer wall 23 of the crystal 3.
  • a bottom 4 can be provided and tightly fixed to a lower part of the middle part 2 by means of an annular sealing gasket 6 of toroidal shape preferably placed in a groove 16 of the lower part of the middle part 2 to hold it in position.
  • An annular bearing surface 24 of the back 4 comes into contact with an annular inner surface 32 of the middle part 2 of a shape complementary to the bearing surface 24 when the bottom 4 is mounted on the middle part 2.
  • the bearing surfaces 24 and interior 32 are inclined at a determined angle with respect to an axis perpendicular to a plane of the watch case 1.
  • the surfaces 24, 32 can be of conical shape and inclined from the outside towards the inside of the watch case 1 by a determined angle with respect to a central axis of the watch case 1. This means that the apex of each shape of cone is in the direction of the inside of the watch case 1.
  • the angle can be of the order of 43° ⁇ 5° with respect to the central axis.
  • the material preferably used for the middle part 2 must be a material with high mechanical strength or with a high elastic limit, that is to say greater than 500 MPa. Moreover, since there is direct contact with the glass 3, the friction between the two surfaces must be greatly reduced if possible.
  • the caseband 2 can be made, for example, of stainless steel with a high nitrogen content or of grade 5 titanium (Ti6Al4V).
  • a standard stainless steel has a yield point between 200 and 250 MPa and a Young's modulus between 180 and 210 GPa
  • high nitrogen stainless steel has a yield point between 500 and 700 MPa and a Young's modulus between 180 and 210 GPa.
  • Grade 5 titanium has an elastic limit between 800 and 900 MPa and a Young's modulus between 105 and 115 GPa.
  • the crystal 3 comprises an annular peripheral surface 13 below the upper annular outer wall 23, configured to come into direct contact against an annular inner surface 12 below the upper annular inner wall 22 of the middle part 2.
  • the annular peripheral surface 13 of the crystal 3 is inclined by a defined angle smaller than 90° with respect to an axis perpendicular to a plane of the watch case 1.
  • the inner annular surface 12 is inclined generally from the outside towards the inside of the watchcase 1 at the same angle as the annular peripheral surface 13 with respect to a central axis.
  • the inner annular surface 12 of the caseband 2 is inclined with a regular slope towards the center of the watch case.
  • the annular inner surface 12 can be of conical shape and inclined at an angle defined from the outside towards the inside of the watchcase 1 with a regular slope without variation in profile of the surface. This means that the apex of the cone shape is in the direction of the inside of the watch case 1.
  • the defined angle of inclination of the surface 12 can be of the order of 43° ⁇ 5° with respect to the central axis.
  • the annular peripheral surface 13, which may have a shape substantially complementary to the annular inner surface 12, may comprise a domed contact portion with a convex curvature of a first radius R1 defined for contact on a circular annular line of contact against the inner annular surface 12 of the caseband 2 of substantially conical shape inclined towards the center of the watch case.
  • This circular annular line of contact is preferably at mid-height of the annular peripheral surface 13, that is to say in a centered position.
  • the first radius R1 can be chosen in the order of 10.7 mm ⁇ 5 mm. This gives a curved portion of the order of 0.03 mm in thickness on the surface 13, which is sufficient to establish contact with the other surface 12 in a properly centered manner.
  • the convex curvature signifies a domed portion on the annular peripheral surface 13 which must come into direct contact with the annular inner surface 12.
  • the domed portion is in annular form.
  • middle part 2 may be different from the inner shape of middle part 2.
  • the middle part 2 is generally cylindrical in shape on the outside and inside, the annular inner wall 22 is cylindrical in shape, while the inclined annular inner surface 12 is generally conical in shape.
  • the middle part 2 is generally cylindrical in shape on the outside, and inside, at least four vertical flat walls 22 are provided and arranged one after the other in the form of a ring, while the surface inner annular 12 comprises four generally flat plates joined one after the other and inclined towards the center of the watch case.
  • the caseband 2 is generally parallelepipedic in shape with four sides on the outside and inside, the annular inner wall 22 is of cylindrical shape, while the inclined annular inner surface 12 is of generally conical shape.
  • the caseband 2 is generally parallelepipedic in shape with four sides on the outside and on the inside, at least four vertical flat walls 22 are provided and arranged one after the other in the form of a ring, while the inner annular surface 12 comprises four generally flat plates joined one after the other and inclined towards the center of the watch case.
  • the cylindrical shape of the watchcase 1 can also be envisaged, for example of generally elliptical or parallelepipedal cylindrical shape or in the form of a prism with more than four vertical walls.
  • the middle part 2 can also be of another shape as specified above for the watch case 1, as the middle part 2 forms the major part of the watch case 1.
  • the annular inner surface 12 can be composed of at least three or four generally planar walls connected to each other in annular form. Each flat wall is inclined from the outside towards the inside of the watch case by a defined angle smaller than 90° in the direction of the center of the watch case 1 with a slope, which can be regular without variation in profile from the surface.
  • annular peripheral surface 13 For the annular peripheral surface 13, several curved contact portions are made on all the at least three or four walls connected to each other for contact on an annular line of contact against the annular inner surface 12. rounded at each wall connection of each inclined surface while maintaining the curved portion even in the rounded areas, not shown in the figures.
  • an upper portion of the annular peripheral surface 13 of the crystal 3 to comprise a convex curvature of a second radius R2 in connection with the upper annular outer wall 23 of the crystal 3, and preferably following the convex curvature of first radius R1.
  • the second radius R2 is less than the first radius R1 of convex curvature of the curved portions for the contact of the surfaces 12 and 13.
  • the second radius R2 has a value more than 10 times less than the first radius R1, for example 0.75 mm ⁇ 0.2mm.
  • the curvature of radius R2 of the upper portion of the annular peripheral surface 13 of crystal 3 makes it possible to facilitate the mounting of crystal 3 on middle part 2 by means of fixing gasket 5.
  • This fixing gasket 5 can be made made of polyurethane or even cross-linked polyurethane and be annular in shape, for example with a thickness of the order of 0.65 mm ⁇ 0.2 mm and a height of the order of 2.5 mm ⁇ 0.5 mm.
  • the annular peripheral surface 13 of the crystal 3 may comprise on the side of the lower part a convex curvature of a third radius R3 to avoid having an edge that is too sharp to avoid any contact with a flat of the lower part of the inner annular surface 12 of the middle part 2.
  • the flat can be nearly 3 mm away from the crystal 3.
  • the third radius R3 is less than or preferably equal to the second radius R2.
  • the curvature with the third radius R3, which is preferably following the convex curvature with the first radius R1, further makes it possible to avoid risks of scratching of the crystal 3.
  • a process called Czochralski or EFG Edge Defined Film Fed Growth - printing of ribbons by growth from a film delimited by an outline
  • the curved portion(s) can be obtained by machining or a finishing process.
  • the machining process for caseband 2 is stamping and the inside is turned, as well as for the domed portion.
  • the coefficient of friction is determined mainly according to the curved portion(s) produced in combination with the surface roughness of the caseband 2 and of the crystal 3. The coefficient of friction can be reduced depending on the surface condition, i.e. say according to the roughness of the two parts in contact.
  • the first three tables below relate on the one hand to the tensile stress at the center, and on the other hand to the stress on the crystal side, and the stress on the middle side with a variation in inclination of +0.5° and -0.5° depending the coefficient of friction between the crystal and the middle:
  • Shelving on the middle side 2 is the one that works best, but shelving on the glass side 3 is simpler, and also makes it possible to absorb the effect of tolerances.
  • the offset error is increased.
  • the error on the angle of glass 3 is increased to -3°, which makes it possible to show that in all cases it is the conical support which degrades the conditions the most.
  • the BMG seal makes it possible to limit the stresses with a high coefficient of friction for a support cone on cone, but it is a priori even more advantageous to have a radius on the crystal to obtain this result with direct contact with the surface 12 of the middle part, which is sought by the present invention.
  • THE figures 2a to 2c represent a second embodiment of a waterproof watch case 1. As this second form of execution is very similar to the first form of execution, only the differences observed with respect to the first form of execution will be explained.
  • the essential difference of the second embodiment is the fact that the curved contact surface portion is no longer on the annular peripheral surface 13 of crystal 3, but on the inner annular surface 12 of middle part 2.
  • the annular peripheral surface 13 of the crystal is this time of inclination with a regular slope without variation of benefit of the surface from the outside towards the inside of the watchcase 1.
  • the curvature of first complementary radius R1' may be of the same value as that of the curvature of first radius R1, but in an opposite configuration.
  • second radius R2 and third radius R3 remain produced on the annular peripheral surface 13 of the crystal 3 at the same places as for the first embodiment.
  • the curvature of the rounded portion of radius R1 or R1' is arranged on one or the other of the surfaces 12 and 13 while being oriented from bottom to top, that is to say in axial section with an arc of a circle placed from bottom to top.
  • the curvatures of rays R2 and R3 are also oriented from bottom to top.
  • THE figures 3a to 3c represent a third embodiment of a waterproof watch case 1.
  • This third embodiment is very similar to the first and second embodiments, only the differences observed with respect to the first and second embodiments will be explained. Mainly, the third embodiment repeats the rounded portions described above in the first and second embodiments.
  • the annular peripheral surface 13 of the crystal 3 comprises a convex contact surface portion with a convex curvature of first radius R1 and the inner annular surface 12 also comprises a curved contact surface portion with convex curvature of first complementary radius R1'.
  • the two curvatures are surfaces 12 and 13, which indeed each form domed portions of annular shape to come into contact one against the other along an annular line of contact and in the centered position of each surface 12 and 13. Both radii R1 and R1' are preferably similar but can also be slightly different from each other.
  • the annular peripheral surface 13 of the crystal 3 also includes the curvatures of radius R2 and R3. As mentioned above, the curvatures of second radius R2 and third radius R3 remain produced on the annular peripheral surface 13 of the crystal 3 at the same places as for the first and second embodiments. The same radius values R2 and R3 are also taken over.
  • the fixing seal 5 of annular shape can be made of polyurethane or even crosslinked polyurethane.
  • the attachment joint 5 is cylindrical.
  • the height of the attachment joint 5 can be of the order of 2.5 mm.
  • the thickness of the joint can be of the order of 0.65 mm.
  • THE figures 5A and 5B show the mechanical contact between the crystal and the middle through the domed contact surface portion made on the crystal in this embodiment firstly at a pressure of 1 bar ( figure 5A ) and secondly at a pressure of 750 bar ( figure 5B ).
  • the curved contact surface portion is on the annular peripheral surface of the crystal to come into contact with the annular inner surface of the middle part.
  • FIGS. 6A and 6B show, according to the prior art, the mechanical contact between two conical surfaces of the crystal and the middle part, firstly at a pressure of 1 bar ( Figure 6A ) and secondly at a pressure of 750 bar ( figure 6B ).
  • the watch case by its middle may have a general shape different from a cylinder.
EP21215150.0A 2021-12-16 2021-12-16 Wasserdichtes uhrgehäuse Pending EP4198647A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21215150.0A EP4198647A1 (de) 2021-12-16 2021-12-16 Wasserdichtes uhrgehäuse
US18/050,768 US20230195041A1 (en) 2021-12-16 2022-10-28 Water-resistant watch case
JP2022187197A JP2023089941A (ja) 2021-12-16 2022-11-24 防水性時計ケース
CN202211614932.6A CN116266046A (zh) 2021-12-16 2022-12-15 防水表壳

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21215150.0A EP4198647A1 (de) 2021-12-16 2021-12-16 Wasserdichtes uhrgehäuse

Publications (1)

Publication Number Publication Date
EP4198647A1 true EP4198647A1 (de) 2023-06-21

Family

ID=78918703

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21215150.0A Pending EP4198647A1 (de) 2021-12-16 2021-12-16 Wasserdichtes uhrgehäuse

Country Status (4)

Country Link
US (1) US20230195041A1 (de)
EP (1) EP4198647A1 (de)
JP (1) JP2023089941A (de)
CN (1) CN116266046A (de)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH217284A (fr) * 1941-01-18 1941-10-15 Schmitz Otto Boîte de montre étanche.
CH220798A (fr) * 1941-04-23 1942-04-30 Tavannes Watch Co Sa Boîte étanche essentiellement mais non exclusivement pour montre.
CH249165A (fr) * 1946-03-28 1947-06-15 Brodbeck Otto Boîte de montre étanche.
CH250111A (fr) * 1944-06-07 1947-08-15 Vaurillon Emile Boîte étanche.
CH251697A (fr) * 1944-05-17 1947-11-15 Colomb Henri Boîte étanche pour montres et appareils de mesure.
CH372606A (de) 1961-09-19 1963-06-29 Bloesch S A Wasserdichtes Formuhrgehäuse
CH378792A (fr) 1962-06-14 1963-11-30 Longines Montres Comp D Boîte de montre étanche
CH393196A (fr) * 1963-07-11 1965-02-15 Brauchi Andre Boîte de montre étanche
CH399334A (fr) * 1963-09-02 1965-05-31 Stila S A Boîte de montre
JPS5315339Y1 (de) * 1970-06-05 1978-04-22
CH690870A5 (fr) 1996-03-07 2001-02-15 Breitling Montres Sa Boîte de montre étanche.
JP2016070677A (ja) * 2014-09-26 2016-05-09 シチズンホールディングス株式会社 時計

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9737123B2 (en) * 2015-08-04 2017-08-22 Catalyst Lifestyle Limited Waterproof case for electronic device
CN209343141U (zh) * 2018-12-10 2019-09-03 东莞市尊洋五金精密科技有限公司 钟表用面壳组件
EP3736644A1 (de) * 2019-05-08 2020-11-11 Omega SA Wasserdichtes armbanduhrgehäuse
CN214474455U (zh) * 2021-03-25 2021-10-22 锦发运通五金制品(深圳)有限公司 一种防尘防水型智能手表

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH217284A (fr) * 1941-01-18 1941-10-15 Schmitz Otto Boîte de montre étanche.
CH220798A (fr) * 1941-04-23 1942-04-30 Tavannes Watch Co Sa Boîte étanche essentiellement mais non exclusivement pour montre.
CH251697A (fr) * 1944-05-17 1947-11-15 Colomb Henri Boîte étanche pour montres et appareils de mesure.
CH250111A (fr) * 1944-06-07 1947-08-15 Vaurillon Emile Boîte étanche.
CH249165A (fr) * 1946-03-28 1947-06-15 Brodbeck Otto Boîte de montre étanche.
CH372606A (de) 1961-09-19 1963-06-29 Bloesch S A Wasserdichtes Formuhrgehäuse
CH378792A (fr) 1962-06-14 1963-11-30 Longines Montres Comp D Boîte de montre étanche
CH393196A (fr) * 1963-07-11 1965-02-15 Brauchi Andre Boîte de montre étanche
CH399334A (fr) * 1963-09-02 1965-05-31 Stila S A Boîte de montre
JPS5315339Y1 (de) * 1970-06-05 1978-04-22
CH690870A5 (fr) 1996-03-07 2001-02-15 Breitling Montres Sa Boîte de montre étanche.
JP2016070677A (ja) * 2014-09-26 2016-05-09 シチズンホールディングス株式会社 時計

Also Published As

Publication number Publication date
JP2023089941A (ja) 2023-06-28
CN116266046A (zh) 2023-06-20
US20230195041A1 (en) 2023-06-22

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