Seiko Cal. 4566 - 540

The 4566-540 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4566 caliber with 32j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-7ed98c1836d7]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1989

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