Seiko Cal. 5668 - 310

This Spring Drive model from 1976 features a 35mm Titanium case. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-9aba108d71c2]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1976

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