Cartier Tank Quadrangle Hollow Series - TW Exclusive Launch Featuring the Ultimate 1:1 Replica. Parameters are synchronized with the original.- Case Diameter: 47.15 x 26.2 mm .- Movement: Swiss Ronda 4S20 Modified Mechanical Movement .- Case Thickness: 7.82 mm .- Dial Color: Hollow .- Dial Shape: Quadrangular .- SKU: Silver with Silver Circle, Silver Set with Stones .- Strap Color: Gray-Blue Coffee Imported Leather .- Buckle Type: Classic Pin Buckle .- Case Back: Transparent Case Back .- Glass: Sapphire Crystal .- Hands: Blue Burnt Steel Hands .- Crown: Gem-Set Crown