Roger Dubuis RD680, Инструкция по эксплуатации

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RD680 Movement
Automatic Chronograph movement with micro-rotor
Features
Self-winding mechanical movement with micro-rotor
Power-reserve of approximately 52 hours
Finely adjusted in five positions
Functions
Hours and minutes
Small seconds at 9 o’clock
Double-pusher column-wheel chronograph
Central chronograph hand
30-minute counter at 3 o’clock
Decorations
Rhodium-plated
“Côtes de Genève” decoration
“Poinçon de Genève” finishings
Specifications
261 components
42 jewels
Diameter: 13
3/4 ’’’
Thickness: 6.30 mm
Frequency: 4Hz (28,800 vph)
Certification
This movement is stamped
with the “Poinçon de Genève”