Seiko Cal. 7131 - 975

This Hand-Winding model from 1996 features a 44mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-6a70990dda32]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1996

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