Seiko Cal. 5639 - 415

This Spring Drive model from 1981 features a 44mm Gold-Plated case. Powered by the 5639 caliber with 29j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-3459c9f2e7d5]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1981

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