Seiko Cal. 6231 - 905

This Quartz model from 1970 features a 36mm Titanium case. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-f0ad7204ca77]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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