Seiko Cal. 7139 - 128

This Solar model from 1979 features a 36mm Two-Tone case. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-84122cc78a73]

Also known as: Tuna, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1979

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