Seiko Cal. 6638 - 747

The Seiko 6638-747 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-990524e33274]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1981

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