Seiko Cal. 3891 - 317

This Hand-Winding model from 1979 features a 37mm Titanium case. Powered by the 3891 caliber with 25j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-5e73574c84bf]

Also known as: Samurai, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1979

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