Seiko 4M21 Movement Details

Seiko caliber 4M21 is a kinetic (formerly AGS) watch movement.
Search eBay for watches with this movement.

Sub-brands: Laurel
Battery:3027.4MZ (replaces 3029.114 and 3029.116) / (Rechargeable capacitor)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:32,768 Hz
Number of jewels:9
Size / diameter:25.6mm
Height:2.7mm
Stem code: 351552
Notes:Has a power reserve indicator function.
PDF guides: Technical guide : 4M21A