Seiko Cal. 7042 - 541

This Spring Drive model from 1978 features a 43mm Stainless Steel case. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-1770c1fb0c00]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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