Girard-Perregaux 1966 Full Calendar

The Girard-Perregaux 1966 Full Calendar, reference 49535-52-151-BK6A, has a pink gold case measuring 40 mm in diameter and 10.8 mm thick. Self-winding calibre GP03300 contains 27 jewels and runs at 28,800 vibrations per hour (4 Hz), with a power reserve of 46 hours. A sapphire crystal covers the silver opaline dial, which displays an annual calendar, a moon phase and central seconds. A black alligator leather strap has a pink gold pin buckle. The polished case has curved lugs and a 30 metre water-resistance rating. Through the sapphire display back, the pink gold oscillating weight shows Côtes de Genève decoration.