Seiko Cal. 0781 - 668

This Spring Drive model from 1973 features a 39mm Stainless Steel case. Powered by the 0781 caliber with 28j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-ce40cbc1374e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1973

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