Seiko Cal. 7181 - 404

This Hand-Winding model from 1991 features a 37mm PVD Black case. Powered by the 7181 caliber with 17j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-b450a5362a14]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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