Seiko Cal. 0721 - 642

This Spring Drive model from 1971 features a 34mm Stainless Steel case. With its 19mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-7d9c6bf13fb6]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1971

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