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A watch is a portable timepiece intended to be carried or worn by a person. It is designed to keep a consistent movement despite the motions caused by the person's activities. A wristwatch is designed to be worn around the wrist, attached by a watch strap or other type of bracelet, including metal bands, leather straps, or any other kind of bracelet. A pocket watch is designed for a person to carry in a pocket, often attached to a chain.
Breitling SA is a Swiss luxury watchmaker founded in 1884 in Saint-Imier, Switzerland, by Léon Breitling. The company is known for its precision-made chronometers designed for aviators and is based in Grenchen, Switzerland.
Omega SA is a Swiss luxury watchmaker based in Biel/Bienne, Switzerland. Founded by Louis Brandt in La Chaux-de-Fonds in 1903, the company formerly operated as La Generale Watch Co. until incorporating the name Omega in 1903, becoming Louis Brandt et Frère-Omega Watch & Co. In 1984, the company officially changed its name to Omega SA and opened its museum in Biel/Bienne to the public. Omega is a subsidiary of The Swatch Group.
The Contrôle officiel suisse des Chronomètres (COSC), the Official Swiss Chronometer Testing Institute, is the institute responsible for certifying the accuracy and precision of Swiss watches.
A chronograph is a specific type of watch that is used as a stopwatch combined with a display watch. A basic chronograph has an independent sweep second hand and a minute sub-dial; it can be started, stopped, and returned to zero by successive pressure on the stem. More complex chronographs use additional complications and can have multiple sub-dials to measure seconds, minutes, hours and even fractions of a second. In addition, many modern chronographs use moveable bezels as tachymeters for rapid calculations of speed or distance. Louis Moinet invented the chronograph in 1816 for use in tracking astronomical objects. Chronographs were also used heavily in artillery fire in the mid to late 1800s. More modern uses of chronographs involve aircraft piloting, auto racing, diving and submarine maneuvering.
Water Resistant is a common mark stamped on the back of wrist watches to indicate how well a watch is sealed against the ingress of water. It is usually accompanied by an indication of the static test pressure that a sample of newly manufactured watches were exposed to in a leakage test. The test pressure can be indicated either directly in units of pressure such as bar, atmospheres, or as an equivalent water depth in metres.
A superocean is an ocean that surrounds a supercontinent. It is less commonly defined as any ocean larger than the current Pacific Ocean. Named global superoceans include Mirovia, which surrounded the supercontinent Rodinia, and Panthalassa, which surrounded the supercontinent Pangaea. Pannotia and Columbia, along with landmasses before Columbia, were also surrounded by superoceans.
Anti-magnetic (non-magnetic) watches are those that are able to run with minimal deviation when exposed to a certain level of magnetic field. The International Organization for Standardization issued a standard for magnetic-resistant watches, which many countries have adopted.
A helium release valve, helium escape valve or gas escape valve is a feature found on some diving watches intended for saturation diving using helium based breathing gas.
A diving watch, also commonly referred to as a diver's or dive watch, is a watch designed for underwater diving that features, as a minimum, a water resistance greater than 1.0 MPa (10 atm), the equivalent of 100 m (330 ft). The typical diver's watch will have a water resistance of around 200 to 300 m, though modern technology allows the creation of diving watches that can go much deeper. A true contemporary diver's watch is in accordance with the ISO 6425 standard, which defines test standards and features for watches suitable for diving with underwater breathing apparatus in depths of 100 m (330 ft) or more. Watches conforming to ISO 6425 are marked with the word DIVER'S to distinguish ISO 6425 conformant diving watches from watches that might not be suitable for actual scuba diving.
The Rolex Oyster Perpetual Date Sea-Dweller is a line of diver's watches manufactured by Rolex, with an underwater diving depth rating of 1,220 meters and up to 3,900 metres (12,800 ft) for the Sea-Dweller Deepsea model. In 2022 the dimensionally large Deepsea Challenge Sea-Dweller model with an official depth rating of 11,000 metres (36,090 ft) was added to the line.
Ollech & Wajs(O&W) is a watch company based in Zurich, Switzerland.
Shock resistant is a common mark stamped on the back of wrist watches to indicate how well a watch copes with mechanical shocks. In a mechanical watch, it indicates that the delicate pivots that hold the balance wheel are mounted in a spring suspension system intended to protect them from damage if the watch is dropped. One of the earliest and most widely used was the Incabloc system, invented in 1934. Before the widespread adoption of shock-resistant balance pivots in the 1950s, broken balance wheel staffs were a common cause of watch repairs.
The Omega Seamaster is a line of automatic winding mechanical diving watches from Omega with a history that can be traced back to the original water-resistant dress watch released in 1948. The Seamaster collection is perhaps best known today for the Seamaster Diver Professional 300m model that has been worn in the James Bond movie franchise since 1995. Originally conceived as a dressy, water-resistant timepiece, the Omega Seamaster has evolved to a robust sports watch line typically with a stainless steel case, robust water resistance, and an official certified chronometer certified movement within. The Diver Professional 300m is most famous for its "train track" five link steel bracelet, its helium release valve at the 10:00 position, the wave pattern dial on certain model generations, and the skeletonized handset.
The Breitling Chronomat was initially released in 1941 in Switzerland by Breitling SA. Since then it has been one of the best selling watches produced by Breitling. Its set of four bezel rider tabs became a Breitling signature design detail, seen as well in the Breitling Colt.
Squale SA is a Swiss watch brand founded in 1959 by Charles von Büren, specializing in professional diving watches. Squale is owned by the Maggi Family, who had previously been distributors of von Büren/Squale watches in Italy.
Léon Breitling was a Swiss watchmaker and a businessman, who founded the watch manufacturing company Breitling SA in Saint-Imier in 1884.
Montres Tudor SA, or simply Tudor, is a Swiss watchmaker based in Geneva, Switzerland. Registered in 1926 by Hans Wilsdorf, founder of Rolex, the brand remains a sister company to Rolex; both companies are owned by the Hans Wilsdorf Foundation. Tudor was initially known for watches produced for the military and professional divers. From the 1960s to 1980s, several navies issued Tudor Submariners to their divers, including the US Navy SEALs and the French Marine Nationale.
Bell & Ross is a French watch company based in Paris with manufacturing in La Chaux-de-Fonds, Switzerland. Founded in 1992, the company has specialized in Swiss Made watches for professional users such as divers and pilots.
Willy Breitling was a Swiss watchmaker, businessman and the former president of the Swiss luxury wristwatch manufacturer Breitling SA.
References
- ↑ Breitling SuperOcean A17040 Hodinkee
- ↑ BREITLING SUPEROCEAN WATCHES Crown and Caliber