Seiko Cal. 4577 - 970

This Automatic model from 1979 features a 43mm PVD Black case. Powered by the 4577 caliber with 22j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-5e7136abbbe1]

Also known as: Navigator, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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