White shell gold case (all-in-one machine) Jaeger-LeCoultre JL Master ultra-thin series watch with diameter of 40 mm (simultaneously authentic) uses imported 9015 automatic winding movement and 9015 modified 899AC all-in-one machine to keep accurate time and full reliability. Case material 316L Stainless steel, sapphire crystal glass is used on the front and rear of the watch, and the dial is rhodium-plated with radial brushing. Tapered time scales are made of Italian cowhide with original buckles, and the waterproof depth is 50 meters. Exquisitely recommended men's mechanical watches are carefully created for you to take ultra-realistic pictures. ,