Seiko Cal. 4431 - 600

This Solar model from 1967 features a 45mm PVD Black case. Powered by the 4431 caliber with 34j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-5f9f6bfca2fb]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1967

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