Seiko Cal. 4520 - 903

The 4520-903 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-71313519bac3]

Also known as: Sea Horse, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1988

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