Seiko Cal. 5691 - 359

This Spring Drive model from 1977 features a 44mm Titanium case. Powered by the 5691 caliber with 19j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-64fa28bb238d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1977

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