Girard-Perregaux 1966 Full Calendar

The Girard-Perregaux 1966 Full Calendar, reference 49535-11-131-11A, has a 40 mm steel case with an entirely polished finish. The silver opaline dial displays the date, day, month and a moon phase alongside central seconds. Measuring 10.8 mm thick, the case has curved lugs and a 30 metre water-resistance rating. A sapphire crystal covers the dial, while a sapphire display back reveals the oscillating weight with Côtes de Genève decoration. A steel bracelet has a steel triple folding clasp. Self-winding calibre GP03300 contains 27 jewels, runs at 28,800 vibrations per hour (4 Hz) and has a power reserve of 46 hours.