Seiko Cal. 4520 - 583

The Seiko 4520-583 represents an important milestone in Seiko's 1975 lineup. Powered by the 4520 caliber with 33j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-2c627db30691]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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