Seiko Cal. 7139 - 578

This Automatic model from 1968 features a 46mm Hardlex-Coated Steel case. Powered by the 7139 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-298515d75845]

Also known as: Tuna, Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1968

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