For Jaeger-LeCoultre, chiming watches hold a special significance and over the past 150 years, they have had a major presence in the Maison’s portfolio of complicated timepieces. Since producing its first minute repeater in 1870, the Manufacture has developed more than 200 chiming watch calibres. It has mastered all forms of chiming mechanism, from relatively simple alarm calibres to the most complex of all – the grande sonnerie and Westminster chimes. The Manufacture’s constant quest to improve both timekeeping accuracy and sound quality has resulted in multiple patents and countless innovations and, until the mid-20th century, it supplied chiming movements to many of the most exalted names in Swiss watchmaking.