Seiko Cal. 7042 - 777

This Spring Drive model from 1981 features a 42mm Stainless Steel case. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-875fee720dff]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1981

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