Seiko Cal. 4547 - 446

This Spring Drive model from 1990 features a 40mm PVD Black case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0ee66c92fb08]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1990

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