Seiko Cal. 5673 - 727

This Spring Drive model from 1966 features a 37mm Two-Tone case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-445811c9a1f1]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1966

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