Seiko Cal. 6139 - 509

The Seiko 6139-509 represents an important milestone in Seiko's 1988 lineup. Powered by the 6139 caliber with 34j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-b9e9cc0fe55a]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1988

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