Seiko Cal. 4566 - 643

Seiko 4566-643

The 4566-643 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4566 caliber with 18j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-6ebc8fded2a2]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
44mm
Case Thickness
10.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
40m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1998

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