Seiko Cal. 4520 - 110

The Seiko 4520-110 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-96646e338a9a]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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