Seiko Cal. 5639 - 627

The 5639-627 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5639 caliber with 33j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-6b0d1f515f92]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1984

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