Seiko Cal. 4570 - 820

The 4570-820 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4570 caliber with 35j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-de14db637802]

Also known as: Monster, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

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