An Elgin 582 based stopwatch from WWII. The balance oscillates at 40Hz, or 288,000 VPH, giving the second hand 1/10 sec accuracy. The photo has a 1/5sec expoure.
watches : Elgin Stopwatches from WWII, both high-speed and regular : Elgin 582 SW |
Back |
Elgin 469 Movement |
Elgin 582 Escapement |
Elgin 469 Movement |
Elgin 582 Escapement |