Patek Philippe Caliber R 27 Q clock

Description for Patek Philippe Caliber R 27 Q clock PATEK PHILIPPE Caliber R 27 Q clock
Caliber R 27 Q
Minute repeater and perpetual calendar
Chime with two “cathedral” gongs activated by a slide piece in the case
Day, date, month, leap year by hands Moon phases and
24-hour indicators
Strap: alligator with square scales, hand-stitched, shiny black
Fold-over clasp set with 42 baguette diamonds (~ 0.69 ct)
Interchangeable full back and sapphire-crystal case back
case is humidity and dust protected only (not water resistant)
Platinum
case diameter: 42 mm