2Jewellery Timeless Luxury Watches, Double tourbillon orbital mechanical watch. Model: K001 style: luxury shape: round Condition: New Popular elements: hollow Movement Type: Mechanical movement - manual mechanical movement Strap material: genuine leather Dial thickness: 15mm Dial Diameter: 44mm Case Material: 18K gold Additional features: tourbillon anti-magnetic Display method: pointer Crown Type: Ordinary Bottom type: see through Buckle style: Butterfly double snap Waterproof depth: 5ATM Watch mirror material: Synthetic sapphire crystal.