Seiko Cal. 5639 - 293

This Spring Drive model from 1978 features a 35mm Hardlex-Coated Steel case. Powered by the 5639 caliber with 18j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-f24f97f31070]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1978

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