Compare Aristo 7H123 41mm Aviator Swiss Ronda 150 Automatic (self-winding) Watch Movement: Swiss Ronda 150 Automatic (self-winding) Case: Sandblasted Stainless Steel, 41mm x 11mm thick. Crystal: Hardened Mineral Band: Black leather, buckle closure. 20mm. Island Watch Price: $449.00 Was: Sale Price $449.00