Seiko Cal. 6131 - 764

This Solar model from 1973 features a 39mm Stainless Steel case. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-589ff97fde0c]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1973

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