Seiko C439 Movement Details
Seiko caliber C439 is a digital watch movement. Production was in the 1980s.
|Battery:||SR1130W / 389 (Silver oxide)|
|GMT / world time?||No|
|Size / diameter:||21.95mm x 30.0mm|
|Development division:||Daini (Kameido, Tokyo, Japan)|
|Notes:||Has an alarm and calculator feature.|