Seiko Cal. 0742 - 650

This Spring Drive model from 1972 features a 34mm Titanium case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-bdf26ca192e8]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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