Seiko Cal. 0720 - 431

This Quartz model from 1970 features a 35mm Stainless Steel case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-3c2cfb1afcdd]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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