20. Hublot

Million $ Black Caviar Bang
Price: $1,000,000

The case, crown dial, and clasp of Hublot�s Black Caviar Bang are encrusted in baguette-cut black diamonds. The watch, which has no numbers on the face, has 544 diamonds, a total of 34.5 carats. It is 18 carat white gold and has an adjustable leather strap. In 2009, it won the Grand Prix de Gen�ve Jewellery Watch prize. Founded in 1980, Hublot today is a subsidiary of Mo�t Hennessy Louis Vuitton.

19. Jacob & Co.

Crystal Tourbillion
Price: $900,000

The 18 carat white gold case of the Crystal Tourbillion is covered in 17.48 carats of baguette diamonds and has a transparent skeleton tourbillion dial. The piece is finished with an alligator band with a 2.22 carat baguette diamond buckle. Jacob & Co. manufactured 18 pieces of the white gold Crystal Tourbillion, available in the New York City boutique.

18. Audemars Piguet

Jules Audemars Grande Complication
Price: $780,600

Audemars Piguet�s one-of-a-kind, self-winding skeleton watch has a titanium case and features a perpetual calendar indicating the hours, minutes, day, date, week, moon phases, month, and leap years. There is also a minute repeater and chronograph. It has a crocodile leather strap. The Jules Audemars Grande Complication is available exclusively at the watchmaker�s New York City boutique.

17. Breguet

Classique 5349 Grande Complication
Price: $755,000

This piece has twin rotating tourbillons in a platinum case lined with baguette-cut diamonds. The dial is pav�ed with more diamonds. It contains more than 570 parts and has three patents to protect its �superior precision and technological mastery,� according to Breguet, which is today owned by Swatch.

16. Omega

Constellation Baguette
Price: $708,742

The one-of-a-kind piece, available at the Omega boutique in Geneva, shines with 459 Top Wesselton diamonds, totaling just over 30 carats. There are 146 baguette and trapeze diamonds on the dial, completely covering the 18 carat white gold case. Omega is owned by Swatch Group.

15. Vacheron Constantin

Malte Tourbillion Regulator
Price: $700,000

Part of Vacheron Constantin�s High Jewelry collection, the Malte Tourbillion Regulator has 263 baguette-cut diamonds in the dial and 274 baguette-cut diamonds in the case. It features a Tourbillion and is finished on a black leather strap. The case is in the classic tonneau (or barrel) shape of the Malte collection. Founded in 1755, Geneva�s Vacheron Constantin is one of the world�s oldest watchmakers. Today it is part of the Richemont Group.

14. Greubel Forsey

Quadruple Tourbillion
Price: $690,000

A total of 531 parts are used for two separate double tourbillons. This complex watch has an asymmetrical platinum case and alligator leather strap. Founded by watchmakers Robert Greubel and Stephen Forsey at Baselworld in 2004, the company (in La Chaux-de-Fonds, Switzerland) is known for offering two and four tourbillion mechanisms in the same watch case.

13. de Grisogono

Meccanico dG S25D
Price: $590,000

Founded in Geneva in 1993 by Fawaz Gruosi, de Grisogono recently launched a Meccanico dG set with baguette diamonds at this year�s Baselworld. This Meccanico dG, of which there are 20 units, was designed in three variants: with baguette diamonds (in photo), with white pav� diamonds, and with black pav� diamonds. The version featured above, made of 18 carat pink gold, is set with 126 baguette-cut white diamonds. It displays two time zones and has analog and digital displays and a power reserve indicator. It is also water-resistant to a depth of 30 meters.

12. A. Lange & S�hne

Tourbograph �Pour le M�rite�
Price: $508,900

Honey gold was used for the case of this limited edition watch, of which A. Lange & S�hne has manufactured only 50 units. The watch has a one-minute tourbillion as well as a double chronograph. The Tourbograph �Pour le M�rite� can be purchased in New York City, Dresden, Shanghai, and Tokyo. Like Glash�tte Original, the company is based in the former East Germany. After the Soviet occupation, the region�s once-thriving watchmaking industry foundered. Lange, which had been founded in 1845, shut down and was revived in 1990. Today it is part of the Richemont Group.

11. Chopard

Secret
Price: $508,000

This watch has a square pav�-set diamond dial and frame inside a case composed of brilliant, square and baguette-cut diamonds (19 carats) on the satin strap and baguette-cut diamond clasp. Chopard has manufactured only two Secret watches so far. Geneva-based Chopard, which was founded in 1860, is still privately owned.

10. Montblanc

Grand Tourbillion Heures Mysterieuses in platinum
Price: $365,750

Although once known primarily for its signature fountain pens, Richemont-owned Montblanc in recent years has transformed its brand into that of a jeweler and watchmaker. Its most expensive watch is the Grand Tourbillion Heures Mysterieuses in platinum, of which only one has been made so far. This tourbillion is also available in 18 carat white gold (in photo), limited to eight pieces at $319,000 each. The 18 carat red gold version, also limited to eight pieces, is $302,500.

09. Concord

C1 Tourbillion Gravity
Price: $320,000

One of the unique features of this watch, which has an 18 carat white gold case, is the seconds display on the side of the tourbillion carriage. The C1 Tourbillion Gravity also features a flyback chronograph and 84-hour power reserve and is water resistant to 30 meters. Although founded in Biel, Switzerland, in 1908, Concord today is owned by Movado Group, which is based in Paramus, N.J.

Grande Complication
Price: $318,000

IWC first launched the Grande Complication about 20 years ago. It combines a perpetual calendar with moon phase, minute repeater, and chronograph with an automatic movement. This version has a platinum case and bracelet. The Richemont-owned IWC recently redesigned it in a Portuguese-style case ($220,567). A total of 50 pieces are produced annually.

07. Breitling

Grande Complication
Price: $280,716

Unveiled at Baselworld 2010, this pocket watch has a perpetual calendar that displays the date, day, month, leap years, and moon phases and a minute repeater that strikes the hours, quarters, and minutes on demand. It comprises almost 700 parts. The case, made of 18 carat yellow gold, features an engraving of Walter Owen Bentley, founder of Bentley Motors, one of Breitling�s partners.

06. Panerai

L�Astronomo Luminor Tourbillion 1950 Equation of Time in rose gold
Price: $235,000

Recently presented at the 2010 Salon International de la Haute Horlogerie in Geneva as a tribute to Galileo Galilei, the L�Astronomo will be made in a limited number of about 30. While ordering the piece, clients must specify their hometown, which is engraved on the back near a rotating sky chart of the city. The dial also displays the sunrise and sunset times of the chosen city. Panerai is owned by Richemont.