Seiko Cal. 0723 - 781

This Spring Drive model from 1975 features a 34mm Hardlex-Coated Steel case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c997b54b2b87]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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