Breguet Classique Chronométrie wristwatch Reference 7727 <br />in 18-carat white gold. High-frequency <br />escapement ( 10Hz ) composed of a magnetic <br />balance with double balance spring, lever <br />and escape wheel in silicon. Hand-wound <br />movement with running seconds. 1/10th <br />of a second subdial and power-reserve <br />indicator. Silvered gold dial, hand-engraved <br />on a rose engine. Sapphire <br />caseback. Water-resistant to 3 bar <br />( 30 m ). Also in rose gold. <br />Diameter : 41mm. <br />To learn more: http://www.breguet.com/inventions/chronometrie-10hz/
