Seiko Cal. 4566 - 343

Seiko 4566-343

The 4566-343 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4566 caliber with 27j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-668239b99755]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
46mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1990

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seikata-wm-668239b99755