Seiko Cal. 4520 - 174

The Seiko 4520-174 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-4310b73678ae]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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