Seiko 830 movement details

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

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