Seiko Cal. 6139 - 790

The Seiko 6139-790 represents an important milestone in Seiko's 1969 lineup. Powered by the 6139 caliber with 22j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-ba87428fc89c]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1969

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