The ladies Twenty~4 watch from Patek Philippe was first introduced in 1999, it was created to be a contemporary version of the Gondolo ladies model and was insiped by Art Deco design. The collection also includes a line of Twenty~4® rings and earrings that compliment the various designs. They are available in stainless steel, rose gold, yellow gold and white gold. Each Twenty~4 has an onyx or a diamond solitaire on the crown. The two newest addition to Patek's Twenty~4 collecion are the 4910/52G and the 4910/48G, each only produced in 18k white gold.

The first new Twenty~4 is model 4910/48G has a medium case size that is 25 x 30mm and has been set with diamonds in a beautiful Art Deco inspired pattern. It has a total of 500 diamonds with 499 set on the case, dial and bracelet and a single diamond set on the crown. The silvery sunburst dial displays hours and minutes and has diamond-set Roman numeral markers at twelve and six o'clock. The ultra thin Caliber E 15 quartz movement has 6 jewels and 57 individual parts and is marked with the geneva seal hallmark.

The second new addition to the Twenty~4 collection is model 4910/52G also has a medium case size that is 25 x 30mm. The case, dial and bracelet have a custom pave diamond setting which unlike most pave settings uses several sizes of diamonds to create a unique effect. There are a total of 2458 diamonds included in the overall design with 12.65 carats on the case, dial and bracelet and a single 0.05 carat diamond on the crown. The ultra thin Caliber E 15 movement has a diameter of 16.30 mm and is 1.80 mm thick. The battery life is about three years.