Seiko Cal. 4587 - 906

This Solar model from 1966 features a 44mm Titanium case. Powered by the 4587 caliber with 25j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-a82392157df4]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1966

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