Seiko Cal. 0742 - 721

This Spring Drive model from 1969 features a 34mm Two-Tone case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-82a9d3801e43]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1969

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