Seiko N851 Movement Details

Seiko caliber N851 is an analog quartz bluetooth watch movement.
Search eBay for watches with this movement.

Battery:CR2016 / (Lithium)
Accuracy:±15 seconds/month
Day / date?Date only
GMT / world time?No
Chronograph?No
Rate:32,768 Hz
Notes:Has a perpetual calendar (up to February 2100), and uses Bluetooth to sync time.
PDF guides: