Seiko Cal. 0731 - 630

This Hand-Winding model from 1967 features a 43mm Titanium case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-5ab944de595e]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1967

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