Seiko Cal. 4531 - 900

This Solar model from 1975 features a 46mm Hardlex-Coated Steel case. Powered by the 4531 caliber with 32j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-edbef0c885a1]

Also known as: Bullhead, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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