Seiko Cal. 4520 - 508

The 4520-508 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-18383ad81efa]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1966

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