Seiko Cal. 7131 - 629

This Quartz model from 1968 features a 36mm Stainless Steel case. Powered by the 7131 caliber with 31j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-a28cf9d83350]

Also known as: Monster, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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