Seiko Cal. 6638 - 244

This Automatic model from 1972 features a 38mm PVD Black case. With its 19mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-a683d4f8758c]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

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