Haofa 2231 GMT Tourbillon Moon Phase K9 Crystal Case 360° panoramic transparent case Haofa 2231 GMT Tourbillon Moon Phase K9 Crystal Case So The Haofa 2231 GMT Tourbillon Moon Phase watch blends precision engineering and bold design for true timekeeping enthusiasts. Because It showcases a striking K9 crystal case that reveals the mesmerizing tourbillon in motion. You can track multiple time zones easily because of its advanced GMT function. The moon phase display adds elegance and tells more than just time. Each component fits perfectly and enhances both performance and durability. The automatic movement feels smooth and responsive, so every glance delights. so Its luminous hands and markers ensure clarity even in low light.  Because The sapphire coating resists scratches and protects the crystal surface. Then Wear it daily and enjoy superior craftsmanship with refined modern style. The Haofa 2231 stands out because it balances innovation and artistry. Because It offers collectors and travelers a stunning experience that redefines mechanical beauty and technical mastery. Skeletonized timepiece, bold and fearless Including A fusion of transparent trends and skeletonized art, creating a clear, panoramic view. The movement seems to float on your wrist, so currently revealing the mechanical transformations within the skeletonized design, exploring the true nature of time, and capturing memorable moments. More details Synthetic crystal glass Ergonomic rubber strap Synthetic crystal glass case Manual tourbillon movement Complex and Multifunctional Dial Mastering Every Second, with Your Own Rhythm So Like A contemporary masterpiece combining exquisite artistry and practical function, traversing the world, putting time at your fingertips. Star function (3 o’clock) GMT function (9 o’clock) Hour and minute dial (12 o’clock) Haofa 2231 GMT Tourbillon Moon Phase K9 Crystal Case as so Product Specifications Model: 2231 Movement: 3H30 Drive: Single Mainspring Drive Power Reserve: 42 hours Frequency: 28,800 vibrations per hour Winding: Manual Winding Water Resistance: 30 meters Case Material: Synthetic Crystal Glass Case Diameter: 30-45mm Strap Material: Rubber Case Thickness: 12.9mm Crystal: Synthetic Crystal Glass Crown: Straight-in Clasp: Folding Clasp