Zenith
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Zenith Cal. 1730 - Racket for regulating device, flat hairspring 309/2
Technical sheet
Brand
Zenith
Calibre
Zenith 1730
International reference
309/2
State
Never used
Year of production
Circa 1967
Caliber diameter
17.5 mm
Caliber height
2.7 mm
Frequency
21'600 A/h
Power reserve
38h
Ruby
19
SKU
Zenith_1730_309/2
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