The Seiko 3Y03A features the following functions Sweep Seconds.
SEIKO 7T92A Quartz Watch Movement - NEW - Working
SEIKO 7T62A Quartz Watch Movement - NEW
Seiko 6M15A Quartz Watch Movement - Dancing Hands - N.O.S - Working
Seiko 3Y02A Quartz Watch Movement - WORKING - N.O.S
Seiko 6M23A Quartz Watch Movement - Dancing Hands - N.O.S - Working
Seiko 5E29A Quartz Watch Movement - N.O.S - WORKING
