Seiko Cal. 4580 - 660

The Seiko 4580-660 represents an important milestone in Seiko's 1993 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d848dd6dab5c]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

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