Seiko Cal. 5641 - 580

Seiko 5641-580

This Hand-Winding model from 1991 features a 40mm Gold-Plated case. Powered by the 5641 caliber with 35j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-315245abf4b5]

Also known as: Sumo, Flighty

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
10.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Burgundy
Jewels
35j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1991

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seikata-wm-315245abf4b5