Seiko Cal. 5639 - 185

The 5639-185 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5639 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-dea5084fe654]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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