Seiko Cal. 4578 - 839

The 4578-839 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4578 caliber with 33j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-7e3edee06b79]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1993

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