1.1 Hot Men's Wholesale Watch Tourbillon Movement Chronograph RM Series Carbon Fiber Mechanical Automatic Wristwatch. 1000m Waterproof Rating: Features a 1000m waterproof capability for extreme durability. Carbon Fiber Material: Constructed with premium carbon fiber for lightweight strength. Tourbillon Movement: Equipped with a high-precision mechanical tourbillon chronograph. Flexible Customization: Supports full customization, minor adjustments, and sample-based design. Low MOQ Support: Minimum Order Quantity is just 1 piece for easy testing. Fast Lead Time: Average lead time within 15 workdays or one month. OEM/ODM Service: Professional OEM and ODM services available with dedicated R&D. Global Supply Chain: Direct source factory connection ensuring high cost-effectiveness.