Seiko Cal. 4566 - 155

Seiko 4566-155

The 4566-155 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4566 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-11e9451df743]

Also known as: Monster, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1981

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seikata-wm-11e9451df743