Jaeger-LeCoultre Master Series，Men's multi-functional mechanical wristwatch

1. Equipped with the same high-quality (6-digit sub-second) 7750 automatic movement, with a vibration frequency and amplitude of 28800.
2. The entire watch features smooth lines, a slender and elegant design, and a comfortable diameter of 40 millimeters!
3. Sapphire double bezel with anti-scratch coating, using Swiss standard-grade sapphire crystal glass, which also covers the super anti-reflective coating, fully showcasing the brand's extraordinary qualities!
4. Upgraded butterfly double snap fasteners!