Seiko Cal. 4550 - 885

The 4550-885 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4550 caliber with 21j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-efea49f2eeaa]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1966

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