Seiko Cal. 6639 - 475

The 6639-475 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-fc08784a9e55]

Also known as: Rally, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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