Seiko Cal. 6639 - 417

This Kinetic model from 1975 features a 42mm Titanium case. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-dfd35396d329]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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