Seiko Cal. 4450 - 566

Released in 1976, the Cal. 4450 with design code 566 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-25e1ed64f9ba]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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