Seiko Cal. 4445 - 550

The 4445-550 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4445 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-53a89b691d7a]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1992

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