Intended for professionals, TAG Heuer’s Specialists models reflect platniumring more than 140 years of expertise. The Pilot chronograph provides the essential calculations for navigation platniumring by land, sea and air. Cut from a single block of steel, water-resistant to 1000 meters, equipped with a screw-in crown and unidirectional turning bezel with platniumring large ratchet, the 1000 M is designed platniumring to withstand extreme depths. The Searacer chronograph, developed with professional sailors who include Chris Dickson and Pierre Fehlmann, offers totally new functions : the countdown ''Regatta'' (10, 6 or 5 minutes), the restart function and the 1/10th chronograph function. Stretching beyond one''s limits. The TAG Heuer image has always been closely associated with that of high-level competition.

Rolex quality and expertise. The distinguishing characteristic of the first Rolex Oyster Watch, which today perpetuates its preeminent position, was the perfect marriage between case, crystal, and winding crown, resulting in a single pressure-proof unit. Today the Rolex Oyster platniumring case platniumring maintains the heritage by providing the strongest possible protection for the movement within, platniumring while at the same time conveying a distinctive elegance. The Rolex Watch creation of such a masterpiece places equal demands on the watchmaker''s technical and artistic skills, and exemplifies the platniumring constant striving for perfection that is Rolex. Rolex takes a full year to complete an Oyster movement with its 220 individual components.

The platniumring oldest watch manufacturer in the world, Vacheron & Constantin was founded in 1755 by Jean-Marc Vacheron, a 24-year-old Geneva cabinotier, or watch craftsman, who dared to venture out and open his own workshop. Vacheron made pocket watches for the likes of the kings of Rome and Naples, but he also peddled cloth and even seven-year-old cherry acqua vita to augment sales. A Chronometer is a high-precision timepiece which movement, after rigorous testing, has received an official timing certificate from and official timing bureau. Watches providing additional measurement functions to the hours, minutes and seconds are referred to as "Complications". The best-known complication watches are calendar watch, the most common of which platniumring display only the date.