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in Jaeger-LeCoultre | Sunday, January 25. 2009
One year after its 175th anniversary Jaeger-LeCoultre has introdued a new line called the Master Grande Tradition. Two new watches are being introduced from this line, the Tourbillon à Quantième Perpétuel and the à Répétition Minutes. Each watch contains a brand new movement the Jaeger-LeCoultre Calibre 987 and the Jaeger-LeCoultre Calibre 947R both created just this year. The à Répétition Minutes is limited to just 100 pieces in yellow gold, while the Tourbillon à Quantième Perpétuel is available in 18 carat pink gold and platinum as well as a limited production of 300 pieces in 18 carat yellow gold.
Tourbillon à Quantième Perpétuel has a 42mm case and features an beautiful dial that combines two different textures to acheive an intricate look. The perpetual calendar complication has displays for date, day of the week, moon phases, months, and the year and century in a digital format. The Calibre 987 movement is self-winding and was entirely designed and manufactured by the Jaeger-LeCoultre team of watchmakers and is comprised of 401 hand finished components. The tourbillon alone has 78 individual components and weighs just over 0.28 grams. The balance frequency is 28,800 alternations per hour. The watch has a power reserve of 48 hours and is has been tested for 1000 hours and water-resistant to 5 ATM.
The Master Grande Tradition à Répétition Minutes uses the latest breakthroughs in the field of sound with its square-section gongs made from an Jeager-LeCoultre exclusive top secret With the aim of enhancing sound transmission, the gongs are crafted all from one piece with their heel, affixed directly to the watch glass. The silicon escapement is visible through a magnifying glass integrated into the sapphire crystal case-back. The watch features the new manually-wound Jaeger-LeCoultre Calibre 947R movement which includes a minute repeater, barrel torque and small seconds. The movement is comprised of 430 parts and is 9.60 mm thick. The movement also has an impressive 14-day power reserve.