Seiko Cal. 4577 - 572

The 4577-572 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4577 caliber with 18j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-fab0b99d46a7]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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