Seiko Cal. 6638 - 108

The 6638-108 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-ace8e73ad9f6]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1967

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