The white case rose gold Jaeger-LeCoultre JL Master ultra-thin series watch measures 40 mm (simultaneously authentic). It uses imported 9015 automatic winding movement for precise timing and full reliability. The case material is 316L stainless steel, and the front and rear of the watch mirror are made of sapphire crystal glass. The dial is rhodium-plated with radial brushing. The tapered hour markers are made of Italian cowhide with original buckles and are waterproof to a depth of 50 meters. Exquisitely recommended men's mechanical watches are carefully created for you to take ultra-realistic pictures.