CH15228A
(en )
1898-04-30
Movable dial control mechanism in 12 and 24 hour watches
CH14987A
(en )
1898-02-28
Movement mechanism of the mobile dial in 12 and 24 hour watches
CH13632A
(en )
1897-07-15
Device for operating the mobile dial in 24-hour watches
CH18199A
(en )
1899-11-15
Watch at twenty-four o'clock
CH14980A
(en )
1898-02-28
Watch at 12 and 24 hours
CH17992A
(en )
1899-09-30
Watch at twelve and twenty-four o'clock
CH22706A
(en )
1902-03-15
Time-setting device in watches
CH7973A
(en )
1894-07-31
Simplified timer for watches with two hour hands and concentric graduations in 12 and 24 hours
CH23214A
(en )
1902-06-15
Dial for timepieces at 12 and 24 hours
CH13904A
(en )
1897-08-31
Advanced disc for 12 and 24 hour watches
FR7013E
(en )
1907-05-11
New electrical switch applicable to watchmaking
CH16676A
(en )
1899-01-15
Watch balance with variable moment of inertia
FR468279A
(en )
1914-07-02
Mechanical dial system with changing indications, 12 and 24 hours, for clocks, pendulums, watches
CH15286A
(en )
1898-04-30
Advanced mainspring watch movement
CH20281A
(en )
1901-01-15
Winding mechanism for watches and alarm clocks
CH18781A
(en )
1900-03-15
Advanced mechanism for pendulums and electric clocks
FR5695E
(en )
1906-06-05
New electrical switch applicable to watchmaking
CH23646A
(en )
1902-08-31
Striking barrel actuation mechanism in repeater watches
CH19973A
(en )
1900-10-31
Metal part in lieu of stone for a clockwork movement
CH12661A
(en )
1897-01-31
Counters watch with special mechanism for counting hours and minutes
CH15360A
(en )
1898-06-15
Winding and time-setting mechanism for watches
CH14722A
(en )
1898-01-31
Hour and quarter striking mechanism for watches
CH13425A
(en )
1897-06-30
Improvement of the counter mechanism in chronograph watches
CH21561A
(en )
1901-12-15
Sophisticated time-setting mechanism
CH18370A
(en )
1899-12-15
Date watch