Seiko Cal. 4566 - 104

The 4566-104 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4566 caliber with 34j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-988acf2e9fbe]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1989

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