Seiko Cal. 4566 - 501

The 4566-501 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4566 caliber with 32j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-17220e9a7283]

Also known as: Bullhead, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1969

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