Seiko Cal. 4520 - 786

The 4520-786 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4520 caliber with 26j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-a940cc3cbe71]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1988

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