Seiko Cal. 5691 - 977

This Spring Drive model from 1994 features a 34mm Stainless Steel case. Powered by the 5691 caliber with 20j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-6aa234ac09fd]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1994

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