Seiko Cal. 4520 - 593

The Seiko 4520-593 represents an important milestone in Seiko's 1988 lineup. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-4a5d1a8e160b]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1988

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