Seiko Cal. 4580 - 731

The 4580-731 is a sought-after Solar piece from Seiko's golden era. Powered by the 4580 caliber with 34j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-e5e7e7b5ab02]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1978

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