BOLYTE Men's Automatic Mechanical Skeleton Watch, Octagonal Case, Stainless Steel Strap, Open Heart Design, Choice of Colours for Casual and Formal Outfits, Blue Gold, Modern

【Luxury Skeleton Design】High quality open structure mechanical watch, providing a unique and refined wearing experience. 【Battery-free automatic movement】 No batteries required thanks to automatic winding by wrist movement. Initial manual winding is recommended to ensure accuracy. (Note: Unlike quartz watches, this model requires a steady supply of kinetic energy to operate; manual winding may be required after prolonged shutdown.) 【Stainless Steel & Hardlex Glass】 Stainless steel strap is sturdy and easy to adjust. Hardlex glass with non-slip treatment, resistant to scratches and everyday shocks. 【Daily Waterproof】 Splash-proof and rainproof (1 ATM). Ideal for daily use, but not suitable for swimming, diving or water activities. 【MONEY BACK GUARANTEE】Our customer service is at your disposal for any questions. We are committed to offering you a quick and satisfactory solution.