Seiko Cal. 4431 - 560

The 4431-560 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-32e34c7dc8f8]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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