E7 Factory proudly presents the new Patek Philippe CUBITUS 5821 watch.1. Movement: Equipped with a customized 9015 modified Cal. 26-SC automatic winding movement.2. Strap: Custom-grade ergonomic 316L strap with a new clasp style.3. Case: The 45mm size (excluding the crown) refers to the diagonal length of the case from 10 o'clock to 4 o'clock. Since the case is approximately square, the width at the top and bottom will be less than this measurement, resulting in a visual effect comparable to the classic model 5711.Following the 5711, another classic design is perfectly born.