this one on my mind right now...

Patek Philippe 5135 Gondolo Calendario in Rose Gold

Not a petite Patek coming in at 51mm x 40.3 x 11.7mm which is excellent :)
Functions - time with sweep seconds, annual calendar showing day, date & month, moon phase and 24 hour display
Movement improvements are higher beat rate 28,800, 4 spoke & 4 maselots, Gyromax balance wheel, advances in wheel toothing geometry for higher rate accuracy.

& absolutely gorgeous in 18K rose gold :)