Seiko Cal. 5639 - 408

The 5639-408 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-8f70f7025f06]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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