Seiko Cal. 3860 - 443

This Solar model from 1971 features a 36mm Titanium case. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-8f3e7914829f]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

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