Classique Chronométrie 7727

Classique Chronom?trie wristwatch in 18-carat rose gold. High-frequency escapement ( 10Hz ) composed of a magnetic balance with double balance spring, lever and escape wheel in silicon. Hand-wound movement with running seconds. 1/10th of a second subdial and power-reserve indicator. Silvered gold dial, handengraved on a rose engine. Sapphire caseback. Water-resistant to 3 bar ( 30 m ). Diameter : 41mm. Also in white gold.

Technical specifications

Movement

• Winding : Hand-winding
• Power reserve (hours) : 60
• Calibre : 574DR
• Lines : 14
• Jewels : 45
• Balance-wheel : Breguet, magnetic
• Escapement : Swiss straight-line lever / Silicon
• Balance-spring : Double flat / Silicon

Case

• Metal : White gold
• Skeleton : No
• Sapphire caseback : Yes
• Case shape : Round
• Diameter (mm) : 41
• Case thickness (mm) : 9,65
• Water-resistant (m) : 30