Question: What slogan does this Swiss watchmaker and his company carry, who purchased 80% of the Minsk Watch Plant in 2010?

Documents:
source: Luch (watch)
text: Luch (watch) Luch (Belarusian: Луч , "ray, beam"), founded in 1953, is a watch brand produced by the Minsk Watch Plant (Belarusian: Минский часовой завод ) in Minsk, Belarus. In 2010, Swiss watchmaker Franck Muller International BV purchased 80% of the Minsk Watch Plant and plans to launch a new line of watches based on Swiss-designed movements.

source: Franck Muller
text: Franck Muller Franck Muller (born July 1958) is a Swiss watchmaker and the company of the same name. The brand of watches carries the slogan "Master of Complications". Franck Muller's watches are worn by various celebrities, among them Demi Moore, Elton John, 50 Cent, and José Mourinho. Franck Muller timepieces are famous for their fusion of "modern" style, mostly inspired by American watches from the thirties, like "Elgin tonneau", and traditional Swiss watch manufacturing.

source: Chopard
text: Chopard Chopard is a Swiss watchmaker and jewellery maker founded in 1860 in Sonvilier by Louis-Ulysse Chopard originally known for making ladies' watches and pocket watches. In 1963, Chopard was sold to Karl Scheufele, a watchmaker from Pforzheim, Germany. The Scheufele family have owned the company up to the present day. The company is headquartered in Geneva and has a site in Fleurier, Canton of Neuchâtel that manufactures watch movements.

source: Titoni
text: Titoni Titoni Ltd. is a Swiss watchmaker that was founded in 1919 by Fritz Schluep in the Swiss "watch town" of Grenchen. The company, which is now owned by the third generation of its founding family, currently employs around 60 people in the finances and accounting, purchasing, sales as well as production departments.

source: Corum (watchmakers)
text: Corum (watchmakers) Montres Corum Sàrl, commonly referred to as Corum, is a Swiss watchmaker based in La Chaux-de-Fonds, Canton of Neuchâtel. Founded in 1955, it makes high-quality and high-price watches, many of which are limited editions. The benchmark watch series for Corum is its "Admiral's Cup" series. The company is now owned by Hong Kong based Citychamp Watch & Jewellery Group Limited. Davide Traxler was appointed as COO of Montres Corum in 2015.

source: Constant Girard
text: Constant Girard Constant Girard (La Chaux-de-Fonds 1825 – 1903 La Chaux-de-Fonds) was a Swiss watchmaker from the 19th century, who marked his time by his developments in the escapement systems, in particular that of the tourbillon. His most famous watch, the Tourbillon with three gold bridges, is still fabricated today in modern versions by the Swiss watch manufacturer, Girard-Perregaux.

source: Movado
text: Movado Movado is a Swiss watchmaker best known for its Museum Watch. Designed in 1947 by Bauhaus-influenced artist Nathan George Horwitt, the watch dial has a very simple design dial defined by a solitary dot at 12, symbolizing the sun at high noon. It was first made by Vacheron & Constantin-Le Coultre Watches, Inc., and later produced by Movado. Horwitt's dial was selected for the permanent design collection of the Museum of Modern Art, New York, in 1960, the first watch dial awarded this distinction. The single dot dial now appears in many of Movado's timepieces.

source: Marie Antoinette (watch)
text: Marie Antoinette (watch) The Breguet No. 160" "grand complication, more commonly known as the Marie-Antoinette or the Queen, is a case watch designed by Swiss watchmaker Abraham-Louis Breguet. It has been called 'a poem in clockwork'. Work on the watch was begun in 1782 and completed by Breguet's son in 1827, four years after Breguet's death.

source: Jean-François Bautte
text: Jean-François Bautte Jean-François Bautte (22 March 1772 in Geneva – 30 November 1837 in Geneva) was a Swiss watchmaker and jeweller famous for several reasons: he founded the most complete watch manufacture of his time in Geneva. He also created watches and jewellery for famous people and was one of the inventors of the extra-thin watch.

source: Zeno-Watch Basel
text: Zeno-Watch Basel Zeno-Watch is a Swiss watchmaker established 1868, but the Zeno name has been in use only since 1922. Specializing in aviation watches, they are one of the few independent Swiss watch manufacturers still in operation. Their factory is in Basel, Switzerland.

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Answer: Master of Complications