Seiko Cal. 4437 - 620

This Kinetic model from 1978 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ea9fc2321915]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1978

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