Seiko Cal. 4566 - 610

The 4566-610 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1dd1c76d39cc]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1991

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