Seiko 4S27 Movement Details

Seiko caliber 4S27 is an automatic (with hand winding) watch movement. Production started around 2003 and production finished in 2007.
Search eBay for watches with this movement.

Sub-brands: Brightz
Power reserve:50 hours
Accuracy:+25/-15 seconds/day (Seiko "C" standard)
Day / date?Day + date
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:28,800 bph
Number of jewels:28
Notes:Has a retrograde day display. The same as cal. 4S27 but without the higher grade finishing.
PDF guides:
Related movements: 4S77

Articles