2Jewellery Best Automatic Watches Model: 1917 style: business shape: round Popular elements: hollow Movement Type: Mechanical movement - manual mechanical movement Strap material: Other Dial thickness: 11.9mm Dial diameter: 30-45MM Case material: stainless steel Additional features: Tourbillon Display method: pointer Crown Type: Ordinary Bottom type: see through Buckle style: Butterfly double snap Waterproof depth: 5ATM Watch mirror material: Synthetic sapphire crystal.