Seiko Cal. 4575 - 730

The 4575-730 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4575 caliber with 21j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-fac075698a8a]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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