Seiko Cal. 5639 - 910

This Hand-Winding model from 1975 features a 43mm Titanium case. Powered by the 5639 caliber with 25j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-664c7636db15]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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