Seiko Cal. 3891 - 272

This Quartz model from 1970 features a 40mm Stainless Steel case. Powered by the 3891 caliber with 25j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-a52b515aeef0]

Also known as: Shogun, Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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