Why is Blancpain's depreciation rate higher than Jaeger-LeCoultre's?

Sales are not very good. JB Blancpain, an old brand that almost died out in1980s, was reborn in1990s, and its sales volume was not very good. Blancpain is a work of art, and Jaeger-LeCoultre watches have 40 full-time departments and 20 cutting-edge technologies. While following the exquisite traditional watchmaking technology, we constantly pursue technological innovation and develop outstanding watches, from the smallest style in the world to.