Seiko Cal. 6639 - 384

This Hand-Winding model from 1982 features a 39mm Two-Tone case. Powered by the 6639 caliber with 22j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-2cea8e638e5d]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1982

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