CARTIER ROTONDE DE CARTIER PERPETUAL CALENDAR CHRONOGRAPH AUTOMATIC, 18K WHITE GOLD, REF. W1556226

Rotonde de Cartier Perpetual Calendar Chronograph watch, 42 mm, Manufacture mechanical movement with automatic winding 9423 MC. 18K white gold case, beaded crown set with a sapphire cabochon, white galvanized guilloché dial, silvered openwork satin-brushed grid with sunray effect and black transferred Roman and Arabic numerals, months and days of the week, blued-steel sword-shaped and hammer-shaped hands. Black alligator-skin strap with double adjustable 18K white gold folding buckle. Perpetual calendar complication with days indicated by a retrograde hand, month and leap year indicated in a counter at 12 o'clock. Individually numbered movement comprised of 445 parts including 44 jewels. Movement diameter: 32 mm, movement thickness: 7.70 mm, balance: 28,800 vibrations/hour, power reserve approx. 48 hours. Sapphire case back. Case thickness: 14.9 mm. Water-resistant to 3 bar (30 meters/100 feet).