Seiko Cal. 7131 - 237

This Hand-Winding model from 1976 features a 43mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-8f1ad39e4ded]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1976

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