Seiko Calibre 7N21C Quartz Watch Movement – 3-Hand
Seiko Calibre 7N21C Quartz Watch Movement – 3-Hand
Details
Seiko Calibre 7N21C Quartz Watch Movement – 3-Hand
Restore a compatible watch with this Seiko Calibre 7N21C analogue quartz movement, featuring hour, minute, and central seconds functions.
The compact three-hand movement is suitable for replacing a faulty 7N21C movement or completing a compatible watch repair or restoration. Please compare the complete calibre marking, dimensions, hand fittings, stem position, dial feet, movement holder, and hand-height configuration before ordering.
Product Specifications
Product Type: Quartz watch movement
Calibre: 7N21C
Movement Type: Analogue quartz
Power Source: Battery powered
Functions: Hour, minute, and central seconds
Calendar Function: None
Outside Diameter: 24.0 mm
Movement Dimensions: 21.5 mm × 19.2 mm
Movement Height: Approximately 2.1 mm
Jewels: 1
Driving System: Step motor
Compatible Battery: SR920SW / 371
Estimated Battery Life: Approximately 5 years
Accuracy: Approximately ±15 seconds per month
Package Contents
1 × Seiko Calibre 7N21C Quartz Movement
Not Included: Battery, winding stem, dial, hands, movement holder, or any other accessories.
Professional installation is recommended to avoid damaging the movement, dial, hands, or other watch components.
Seiko is a trademark of its respective owner and is used solely for accurate product identification.
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