Seiko Cal. 4457 - 566

Seiko 4457-566

This Hand-Winding model from 1966 features a 37mm Hardlex-Coated Steel case. Powered by the 4457 caliber with 22j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-ad667189c32a]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
170m
Dial Color
White
Jewels
22j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1966

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