Seiko Cal. 6139 - 920

The Seiko 6139-920 represents an important milestone in Seiko's 1967 lineup. Powered by the 6139 caliber with 24j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-9349ab5f5b1c]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1967

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