Seiko Cal. 4577 - 570

Released in 1984, the Cal. 4577 with design code 570 was part of Seiko's domestic market collection. Powered by the 4577 caliber with 31j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-db85591ceb3f]

Also known as: Panda, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1984

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