Seiko Cal. 4578 - 943

The 4578-943 is a sought-after Solar piece from Seiko's golden era. Powered by the 4578 caliber with 35j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-06e071cc4ca1]

Also known as: World Timer, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1989

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