Seiko Cal. 5639 - 590

The 5639-590 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5639 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-5add1ec4095f]

Also known as: Goldfeather, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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