Seiko Cal. 3812 - 979

This Solar model from 1990 features a 41mm Stainless Steel case. With its 20mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-77292ce5bc03]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

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