Seiko Cal. 4531 - 955

This Solar model from 1975 features a 46mm PVD Black case. Powered by the 4531 caliber with 19j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-ab0ed95d421a]

Also known as: World Timer, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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