Seiko Cal. 5668 - 939

This Automatic model from 1978 features a 44mm Titanium case. Powered by the 5668 caliber with 35j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-e9c480adf7f7]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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