Seiko Cal. 0730 - 642

This Spring Drive model from 1968 features a 37mm Hardlex-Coated Steel case. With its 22mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-002f8bfeb670]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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