Seiko Cal. 6638 - 882

The Seiko 6638-882 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-50d04c7e5e1d]

Also known as: Shogun, Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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