Seiko Digital Quartz Watch is a highly reliable, all-solid-state liquid crystal display watch. Seiko’s most advanced technology in high-precision technology and electronics has been incorporated… Read More »Seiko Quartz Watch Digital Type Technical Guide 1980
Omega caliber 500 is Swiss movement from 1950s. Functions: sweep second, non magnetic, shock protecting device. Automatic movement with 17 jewels. F = 19800 A/h Power reserve:… Read More »Omega caliber 500 movement – specifications and photo
Omega caliber 491 is Swiss movement from 1950s. Functions: subsecond, non magnetic, shock protecting device. Automatic movement with 19 jewels. F = 19800 A/h Power reserve: N/A… Read More »Omega caliber 491 movement – specifications and photo
Omega caliber 980 is Swiss movement from 1970’s. Functions: automatic alarm with setting to the minute, sweep second Automatic movement with 19 jewels f = 21600 A/h… Read More »Omega caliber 980 movement – specifications and photo
The balance wheel must be poised after it has been trued. In closely rated position watches, such as railroad grade, poising of the balance is… Read More »Watch Repair – Poising Balance