Seiko Cal. 4556 - 559

The Seiko 4556-559 represents an important milestone in Seiko's 1975 lineup. Powered by the 4556 caliber with 18j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-4215d88706f5]

Also known as: Rally, Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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