Seiko Cal. 4520 - 666

The Seiko 4520-666 represents an important milestone in Seiko's 1984 lineup. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-8ab0af28c993]

Also known as: Turtle, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1984

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