Seiko 7L22 Movement Details

Seiko caliber 7L22 is a kinetic (formerly AGS) watch movement.
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Battery:3023.24T (replaces 3023.44Z) / (Rechargeable capacitor)
Accuracy:±15 seconds/month
Day / date?Date only
GMT / world time?No
Chronograph?Yes
Hacking?Yes
Number of jewels:8
Size / diameter:30.0mm
Height:6.4mm
Notes:Flyback chronograph. 5M6x series parts are used for the AGS/kinetic system and 7Nxx series parts are used for the wheels and motors.
PDF guides: Technical guide (part 1) : 7L22A
Technical guide (part 2) : 7L22A
Technical guide (part 3) : 7L22A
Related movements: 5M62

Part Codes

Stem code: 351892 (tap 11)
Date wheel code: 878A37 (white on black), 878A38 (black on white)
Screw codes: 022247, 022490 (screw for oscillating weight)