Seiko Cal. 4559 - 303

The 4559-303 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4559 caliber with 35j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-40099a99f8ab]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1966

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