Seiko Cal. 7131 - 936

The Seiko 7131-936 represents an important milestone in Seiko's 1966 lineup. Powered by the 7131 caliber with 29j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-e4a08523c0e1]

Also known as: Shogun, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1966

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