Seiko Cal. 6139 - 788

This Solar model from 1970 features a 37mm Gold-Plated case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-7ffa35f9d524]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1970

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