Seiko Cal. 4550 - 742

This Kinetic model from 1965 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-b55cd802bdf3]

Also known as: Samurai, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1965

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