Vollmer V5 Aileron Swiss ETA Automatic Aviator Watch with Sapphire Crystal, Hirsch Strap Movement: Swiss ETA 2824-2 Automatic (self-winding) Case: Stainless Steel, 38.5mm x 11.5mm thick. Crystal: Scratch-resistant sapphire Band: Black leather, buckle closure. 20mm. Island Watch Price: $495.00 Was: Sale Price $495.00