Seiko caliber

Seiko 9R1

Sourced specifications: 72-hour power reserve. Watchfari lists 1 reference using the Seiko 9R1. Every sourced case diameter here is 44.5 mm. Every sourced movement here is Spring Drive.

1 reference

Specifications

Value · source
Jewels
unknown
no source
Frequency (vph)
unknown
no source
Power reserve (hours)
72
Manufacturer 90% source
Winding
unknown
no source
Complications
unknown

References using this movement

1–1 of 1 reference
SBGA403 Current

Grand Seiko · Collection

SBGA403

Diameter
44.5 mm
Movement
Spring drive

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