Seiko Cal. 4520 - 953

The 4520-953 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4520 caliber with 33j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-aa27e2d426f0]

Also known as: Sumo, Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1973

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