Seiko Cal. 6638 - 117

The 6638-117 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a0419eb60ac3]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1974

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