Seiko Cal. 4520 - 572

The 4520-572 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4520 caliber with 36j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-89c917459c2f]

Also known as: Sumo, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1986

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