Seiko Cal. 7181 - 127

This Spring Drive model from 1974 features a 38mm Titanium case. Powered by the 7181 caliber with 25j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-977734ad4e13]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1974

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