Seiko Cal. 4577 - 900

The 4577-900 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-f63a009f9595]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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