The flat sapphire crystal is scratch-resistant and treated for anti-reflection

Add this solid

it features scratch-resistant sapphire crystal for durability

and a crown for time adjustment giving the watch a sharp look

From the toughness watch G-SHOCK

Edox Neptunian Automatic Men's Gold Black Watch 12 Meters The flat sapphire crystal isEmbark on a journey of sophistication with the Edox Neptunian Automatic Collection. Influenced by the endless skies and ocean depths, these timepieces are expertly crafted to withstand extreme conditions. With an impressive water resistance of up to 1,000m, the Edox Neptunian is built to be exceptionally tough, capable of handling the pressures of the deep sea.