Seiko Cal. 4437 - 391

This Kinetic model from 1991 features a 43mm Two-Tone case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-239fb60a103e]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1991

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