Seiko Cal. 4420 - 501

This Kinetic model from 1977 features a 42mm Hardlex-Coated Steel case. Powered by the 4420 caliber with 33j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-3246153cf1cd]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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