Seiko Cal. 4551 - 923

This Spring Drive model from 1972 features a 39mm Two-Tone case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-688ac02665fe]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1972

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