Seiko Cal. 6639 - 129

The Seiko 6639-129 represents an important milestone in Seiko's 1991 lineup. Powered by the 6639 caliber with 18j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-714552d1aee7]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1991

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