Seiko Cal. 7131 - 137

This Automatic model from 1971 features a 36mm Titanium case. Powered by the 7131 caliber with 25j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-2fbde22ee6d9]

Also known as: Pogue, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

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