Seiko Cal. 4424 - 548

This Spring Drive model from 1968 features a 40mm Gold-Plated case. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-e83b8f7813b1]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1968

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