Seiko Cal. 7042 - 139

This Spring Drive model from 1968 features a 35mm Hardlex-Coated Steel case. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-c2aa22bac981]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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