JAEGER-LECOULTRE MASTER GRANDE REVEIL. BOX & CERT DATED NOV 2015. Perpetual Calendar (Day/Date/Month/Year), Moon phase indicator & an integrated mechanical Alarm that either rings or vibrates - the alarm options are controlled by a "switch" located on the left edge of the watch. 18k rose gold case 44mm. Glossy black dial. New original brown alligator strap with 18K rose gold deployant buckle. Solid case back. Approximately 45 hour Power Reserve. Each watch is tested for 1000 hours before leaving the factory. Water resistant to 50 meters - 165 feet.