Seiko Cal. 6181 - 410

This Hand-Winding model from 1991 features a 45mm Hardlex-Coated Steel case. Powered by the 6181 caliber with 31j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-d84de40bcdfc]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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