Seiko Cal. 4418 - 638

This Solar model from 1972 features a 45mm PVD Black case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-45d1afcfcdca]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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