Seiko Cal. 4520 - 322

Released in 1976, the Cal. 4520 with design code 322 was part of Seiko's domestic market collection. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-01ac3841ef0e]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1976

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