Seiko Cal. 5639 - 990

This Hand-Winding model from 1967 features a 42mm Stainless Steel case. Powered by the 5639 caliber with 29j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-8fbb12324070]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1967

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