Seiko Cal. 5639 - 711

The 5639-711 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5639 caliber with 20j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-f8080722ab32]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1981

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