Seiko Cal. 4488 - 233

This Spring Drive model from 1967 features a 44mm PVD Black case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-fb4b1414152b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1967

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