Seiko Cal. 7181 - 900

This Hand-Winding model from 1977 features a 39mm Stainless Steel case. Powered by the 7181 caliber with 17j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-72543c0baa07]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

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