Seiko Cal. 3861 - 579

This Spring Drive model from 1981 features a 34mm Titanium case. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-cf44697fa146]

Also known as: Turtle, Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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