Seiko Cal. 6639 - 406

This Quartz model from 1972 features a 41mm Stainless Steel case. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-4b25a41d723a]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1972

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