Seiko Cal. 4579 - 573

The 4579-573 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4579 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-5ab3cdd2dad4]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1966

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