Seiko Cal. 5639 - 696

The 5639-696 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5639 caliber with 20j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-fb99d9f0bb52]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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