The Patek Phillipe Annual Calendar 4947 is a larger version of Patek’s ladies annual calendar watch; it’s case measures 38mm across. It is powered by the trusted caliber 324 S QA LU. The 4937 features a diamond-set bezel.Mechanical self-winding movementCaliber 324 S QA LUAnnual CalendarDay and month by handsDate in an apertureCenter sweep second handMoon phasesBlue sunburst dial, gold applied numeralsAlligator strap with square scales, hand-stitched, shiny blue-gray, prong buckleWhite goldSapphire-crystal case backWater resistant to 30 mCase diameter: 38 mm
