Seiko Cal. 6638 - 392

The Seiko 6638-392 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-e58170781920]

Also known as: Panda, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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