Seiko Cal. 0761 - 937

This Hand-Winding model from 1976 features a 45mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-a4b11dc1b7ed]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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