Seiko Cal. 5639 - 959

This Hand-Winding model from 1979 features a 38mm Stainless Steel case. Powered by the 5639 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-b4caff1f5b33]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1979

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