Seiko Cal. 0731 - 939

This Automatic model from 1991 features a 42mm Hardlex-Coated Steel case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-0101bc7ab63d]

Also known as: Samurai, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1991

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