Plexiglas crystals, Water-resistance to 50 meters are features that add to its brilliant functionality.
Plate glass is probably the best route to go (although Plexiglas shouldn't be ruled out).
It's extremely heavy, but it can replace easily, plus it's more resistant to scratches than Plexiglas.
The fabulous looking Silver Dial with Automatic Movement, Plexiglas Crystal, Polished Case, Black Perforated Leather Strap, 50 Meters / 100 Feet Water Resistant and Luminescent Hands & Markers comes with lot more refinement.
Silver Dial with Automatic Movement, Plexiglas Crystal, Polished Case, genuine Brown Crocodile Strap and 50 Meters / 100 Feet Water Resistant.