Seiko Cal. 0731 - 231

This Hand-Winding model from 1973 features a 35mm Stainless Steel case. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-1d2c6af65ba3]

Also known as: Shogun, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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