JPS542773A - Electronic wristwatch - Google Patents
Electronic wristwatchInfo
- Publication number
- JPS542773A JPS542773A JP6743577A JP6743577A JPS542773A JP S542773 A JPS542773 A JP S542773A JP 6743577 A JP6743577 A JP 6743577A JP 6743577 A JP6743577 A JP 6743577A JP S542773 A JPS542773 A JP S542773A
- Authority
- JP
- Japan
- Prior art keywords
- electronic wristwatch
- gold
- bearings
- improvement
- quality
- 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.)
- Granted
Links
Landscapes
- Chemically Coating (AREA)
- Electromechanical Clocks (AREA)
Abstract
PURPOSE: To achieve the improvement in quality and longer life by mounting shafts or bearings of gold or gold alloy whose Vickers hardness is of a specific value and which has [111] face preferentially on the surface to bearing parts.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6743577A JPS5828344B2 (en) | 1977-06-08 | 1977-06-08 | electronic watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6743577A JPS5828344B2 (en) | 1977-06-08 | 1977-06-08 | electronic watch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS542773A true JPS542773A (en) | 1979-01-10 |
JPS5828344B2 JPS5828344B2 (en) | 1983-06-15 |
Family
ID=13344829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6743577A Expired JPS5828344B2 (en) | 1977-06-08 | 1977-06-08 | electronic watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5828344B2 (en) |
-
1977
- 1977-06-08 JP JP6743577A patent/JPS5828344B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5828344B2 (en) | 1983-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5499674A (en) | Preparation of bush in metal for bearing of timepiece and small machine and bush in metal | |
JPS542773A (en) | Electronic wristwatch | |
JPS5410769A (en) | Electronic watch | |
JPS53107315A (en) | Magnetic recording method | |
JPS5320958A (en) | Electronic wristwatch case | |
JPS53140468A (en) | Rotary shaft for electronic watch | |
Suwa et al. | Effects of graphite content on wear of graphite-dispersed Cu-Sn casting alloys | |
JPS5432355A (en) | Construction of wristwatch | |
USD301019S (en) | Electro-optical watch dial or the like | |
JPS5415430A (en) | Electronic watch | |
JPS5346782A (en) | Train side train structure of electronic watch | |
JPS5410770A (en) | Electronic watch | |
JPS53143363A (en) | Calendar watch | |
JPS549117A (en) | High strength copper alloy | |
JPS52129559A (en) | Outside members for timepiece | |
JPS5782786A (en) | Electronic wrist watch | |
JPS5252055A (en) | Journal bearing | |
JPS53141665A (en) | Watch | |
JPS545513A (en) | Miniature motor | |
JPS52120873A (en) | Timepiece | |
JPS57120686A (en) | Constitution of gold plating for external finishing parts for timepiece | |
JPS5413375A (en) | Watch | |
JPS54107769A (en) | Wristwatch | |
JPS5349213A (en) | Electronic clock | |
JPS5224647A (en) | Bearing |