Seiko Cal. 4550 - 585

The 4550-585 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4550 caliber with 35j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-d3796f1a1c13]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1984

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