Seiko Cal. 4555 - 550

Released in 1985, the Cal. 4555 with design code 550 was part of Seiko's domestic market collection. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-33d3ed0dadb3]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1985

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