Seiko 6R15 Movement Details

Seiko calibre 6R15 is an automatic (with hand winding) watch movement. Production started around 2005.
Find watches with this movement on eBay.

Sub-brands: Alpinist, Fieldmaster, Spirit
Power reserve:50 hours
Accuracy:+25/-15 seconds/day (Seiko "C" standard)
Day / date?Date only
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:21,600 bph
Number of jewels:23
Lift angle:53º
Size / diameter:27.0mm
Height:5.25mm
Notes:Seiko Instruments (aka SII) sells this movement as the NE15 to other manufacturers (such as microbrands) for use in non-Seiko watches.
PDF guides: Technical guide : 6R15A & 6R15B
Technical guide : 6R15B & 6R15C
Technical guide : 6R15C & 6R15D

Part Codes

Stem code: 351200 (tap 10)
Balance wheel code: 310046, 310185
Mainspring code: 201070, 201164, 201267
Screw codes: 012067 (case screw), 012080, 012100, 012168, 012354, 012420, 012485, 012919 (ratchet wheel screw), 016705

Videos