Seiko Cal. 6139 - 578

The Seiko 6139-578 represents an important milestone in Seiko's 1970 lineup. Powered by the 6139 caliber with 29j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-d4c0aa3bda70]

Also known as: Rally, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1970

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