Seiko Cal. 4429 - 587

This Spring Drive model from 1969 features a 42mm Hardlex-Coated Steel case. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-ec859297755e]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1969

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