Seiko Cal. 4520 - 936

The 4520-936 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4520 caliber with 34j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-b470a9d513d2]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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