Seiko Cal. 6639 - 836

This Kinetic model from 1986 features a 39mm Two-Tone case. Powered by the 6639 caliber with 18j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-448dcdab8c71]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1986

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