Seiko 830 Movement Details

Seiko caliber 830 is an automatic watch movement produced from around 1963.

Sub-brands: Seikomatic
Day / date?Day + date
GMT / world time?No
Chronograph?No
Rate:18,000 bph
Number of jewels:30
Size / diameter:28.6mm
Height:3.8mm
Development division:Suwa (Nagano)
Notes:Replaced cal. 603, and was replaced by cal. 840.
Related movements: 394 603 8305 8306 840