Seiko 4S27 Movement Details
Seiko caliber 4S27 is an automatic (with hand winding) watch movement. Production started around 2003 and production finished in 2007.
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|Power reserve:||50 hours|
|Accuracy:||+25/-15 seconds/day (Seiko "C" standard)|
|Day / date?||Day + date|
|GMT / world time?||No|
|Number of jewels:||28|
|Notes:||Has a retrograde day display. The same as cal. 4S27 but without the higher grade finishing.|
- The enigmatic Seiko 4S movement ….continued [musingsofawatchaddict.wordpress.com]