Seiko Cal. 4578 - 834

The 4578-834 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4578 caliber with 22j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-aefeb3144477]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1965

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