Seiko 9S27 Movement Details

Seiko caliber 9S27 is a high grade automatic (with hand winding) watch movement.

Sub-brands: Grand Seiko
Power reserve:50 hours
Accuracy:+8/-3 seconds/day
Day / date?Date only
GMT / world time?No
Chronograph?No
Rate:28,800 bph
Number of jewels:35
Notes:Used in ladies watches.
PDF guides: