Enhance your watch maintenance with this premium Metal Watch Crown Winder, designed for durability and precision. Crafted from high-quality metal, this crown winder is anti-rust and stable, ensuring long-lasting performance during your mechanical watch repairs and adjustments. Its adjustable design fits most watch crowns, allowing you to wind your mechanical watch quickly and effortlessly. Key Features: · Premium Metal Construction: Built with durable, rust-resistant metal for reliable and stable use over time. · Adjustable Fit: Comes with four different size options (3mm, 3.5mm, 4mm, 4.5mm) to accommodate various watch crown calibers, providing a perfect fit for most mechanical watches. · Efficient Winding Tool: Ideal for winding mechanical watches and safely letting down the mainspring during repair or maintenance work. · Compact and Lightweight: Measuring approximately 8cm (3.1 inches) in length and weighing just 27-28g, it is easy to carry and convenient for on-the-go use. · Versatile Watch Repair Accessory: Essential tool for watch enthusiasts and professionals, suitable for various watch repair and maintenance tasks. Specifications: · Material: Metal · Color: As shown in pictures · Length: Approx. 8cm / 3.1 inches · Optional Caliber Sizes: 3mm / 0.1 inch, 3.5mm / 0.1 inch, 4mm / 0.2 inch, 4.5mm / 0.2 inch · Weight: 27-28g · Type: Tools & Repair Kits · Function: Repair Watch, Mechanical Watch Winding Package Includes: · 1 x Watch Crown Winder This adjustable metal watch crown winder is an essential accessory for anyone working with mechanical watches, combining sturdy construction with practical design to simplify watch winding and mainspring maintenance. Its compact size and lightweight build make it a handy tool to keep in your watch repair kit or carry with you wherever you go.