Seiko caliber

Seiko 7S26C

Sourced specifications: automatic winding, 21,600 vph, and 21 jewels. Watchfari lists 1 reference using the Seiko 7S26C. Every sourced case diameter here is 37 mm. Every sourced movement here is automatic. All sourced cases are stainless steel.

1 reference

Specifications

Value · source
Jewels
21
Derived 85%
Frequency (vph)
21600
Derived 85%
Power reserve (hours)
unknown
no source
Winding
Automatic
Derived 95%
Complications
unknown

References using this movement

1–1 of 1 reference
SNK809 Discontinued

Seiko · 5 Sports

5 SNK809

Diameter
37 mm
Movement
Automatic

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