Seiko Cal. 4427 - 657

This Hand-Winding model from 1997 features a 42mm PVD Black case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1e378e386888]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1997

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