2012 - Patek Philippe Ladies Complication Moon Phases with a version in 18K Rose gold & one in white gold.
Here the choice is personal as both are superb watches.
The 18K White gold watch has a dramatic black Mother-of-Pearl dial while the lovely 18K Rose gold case has a white Mother-of-Pearl dial.
The numerals are gold applied Arabic and easy to read.
The small seconds are on a sub dial at 6 o'clock which also has the moon phases.
The bezel adds to this feminine watch with 273 graduated size diamonds in a spiral (2.12 ct).
Manually wound Caliber 215 PS LU ensures a power reserve of 44 hours. 
The strap is shiny alligator in taupe or grey.
The tang buckle is set with 32 diamonds (0.25 ct.)
Water resistant to 30 meters / 100 feet