Academy Tourbillon Perpetual Calendar

Description

CaliberEl Primero 4033Automatic chronograph movement with Tourbillon Perpetual calendar14 1/4``` caliber. Diameter : 32.50 mm. Height : 8.60 mm. 429 components.36,000 vibrations per hourPower reserve over 55 hours35 jewelsMeasures short time intervals to a 10th of a secondAutomatic winding in both directionsCentral rotor on ball bearings22-carat rose or white gold oscillating weight with "Grain d'orge" guilloch patternFunctionsHour and minutes in the centerSmall seconds-hand Calendar indicator at 9 o'clockTourbillon :·The carriage is positioned at 11 o'clock·The carriage makes 1 turn per minutePerpetual calendar :·Date at 9 o'clock·Days at 3 o'clock·Month and leap year at 6 o'clockChronograph :·Central seconds-hand·30-minute counter at 3 o'clock·12-hour counter at 6 o'clockCase18-carat rose gold18-carat rose gold ZENITH push buttons and crownDiameter : 45 mmDiameter opening : 35 mmCurved sapphire glass with anti-reflection treatment on both sidesTransparent sapphire case backWater-resistance up to 30 metersDialSilvered hand-made guilloch dial with "Grain d'Orge" pattern18-carat rose gold hand-mounted applique indexesThree dimensional indexes in progressive sizeHands18-carat rose gold faceted handsStrapHandmade black alligator leather strap lined with silky Alzavel calfskinBuckle18-carat rose gold triple folding buckle stamped with ZENITH star on the cap

Supplied by the brand to the GPHG for its entry.