Seiko Cal. 0721 - 389

This Spring Drive model from 1968 features a 43mm Titanium case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-04bb7920d80e]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1968

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