Seiko Cal. 4555 - 636

The 4555-636 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4555 caliber with 25j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-d84859609bb3]

Also known as: Sea Horse, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1975

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