Seiko Cal. 5691 - 870

The Seiko 5691-870 represents an important milestone in Seiko's 1980 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-de2dd6025672]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

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