Seiko Cal. 6228 - 731

This Hand-Winding model from 1967 features a 37mm Two-Tone case. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-14c13d7f8aa8]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1967

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