Seiko Cal. 6159 - 441

This Spring Drive model from 1974 features a 40mm Stainless Steel case. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-bedd05b3981d]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1974

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