Seiko Cal. 6639 - 838

The 6639-838 is a sought-after Kinetic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-8097cf41e838]

Also known as: UFO, Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1969

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