Girard-Perregaux 1966 40mm

The Girard-Perregaux 1966 40mm, reference 49555-11-1A1-BB60, has a 40 mm steel case measuring 8.9 mm thick. The watch is set with 8 brilliant-cut diamonds. Self-winding calibre GP03300 has 27 jewels and a power reserve of 46 hours, with a frequency of 28,800 vibrations per hour (4 Hz). A sapphire crystal covers the silver opaline dial with its central seconds and date display. The sapphire display back reveals an oscillating weight decorated with Côtes de Genève. A black alligator leather strap has a steel pin buckle. The polished case has curved lugs and a water-resistance rating of 30 metres.