Seiko Cal. 4566 - 184

The 4566-184 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4566 caliber with 31j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-a73a4d4f4472]

Also known as: Turtle, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1988

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