Seiko Cal. 6291 - 639

The Seiko 6291-639 represents an important milestone in Seiko's 1969 lineup. Powered by the 6291 caliber with 26j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-67b8e355a2de]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1969

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