Ahead of SIHH, which takes place January 2017, Vacheron Constantin has previewed two new timepieces: the Patrimony Moon Phase Retrograde Date and Traditionnelle Minute Repeater Tourbillon.

The Patrimony Moon Phase Retrograde Date is presented in a case measuring 42.5 mm x 9.7 mm, with a silver opaline dial, in either white or pink gold. It features hours, minutes, retrograde date, precision moon phase (one correction every 122 years), and age of the moon. Visible through the exhibition caseback automatic caliber 2460 R31L which beats at 4Hz (28,800 vph), has 275 components, 27 jewels, and a 40-hour power reserve. The retail price is $39,900.

The Traditionelle Minute Repeater Tourbillon comes in a case measuring 44 mm x 12.2 mm, in either platinum with a hand-guilloché silvered opaline or slate-colored dial, or pink gold with a hand-guilloché silvered opaline dial.

The watch features hours, minutes, minute repeater, tourbillon, small seconds on tourbillon cage, and a power reserve indicator (on the back of the watch). Driving all the functions is hand-wound in-house caliber 2755 TMR, which beats at 2.5Hz (18,000 vph), with 417 components, 40 jewels, and a 58-hour power reserve. The retail price is $490,900 in pink gold and $546,600 in platinum.