Seiko Cal. 3831 - 112

This Automatic model from 1972 features a 34mm Titanium case. Powered by the 3831 caliber with 22j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-44b4c0616757]

Also known as: Shogun, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1972

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