Fortis Men's 'B-42 Pilot Professional Chronograph' Automatic Stainless Steel and Leather Casual Watch, Color:Brown (Model: 635.10.11L.08) Sapphire crystal with anti-reflective coating on both sides Fine timing device and incabloc shock absorber 28.800 semi-vibrations per hour Screw-down glass case back Water resistant to 660 feet (200 M): suitable for recreational scuba diving