Seiko Cal. 6639 - 194

The Seiko 6639-194 represents an important milestone in Seiko's 1986 lineup. Powered by the 6639 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-5f035d18696b]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1986

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