Seiko Cal. 4487 - 996

This Spring Drive model from 1991 features a 35mm PVD Black case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-50469c6562e3]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1991

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