Seiko Cal. 7177 - 937

This Automatic model from 1973 features a 37mm PVD Black case. Powered by the 7177 caliber with 33j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-6796c7969905]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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