Casio Edifice EFR-571DB-1A1VUEF Men's Chronograph Watch This Casio EFR-571DB-1A1VUEF watch is geared towards men. The case is made of silver-colored steel and its bracelet is made of silver-colored steel. The crystal is mineral, with a quartz mechanism and analog display. Its functions include its chronograph, calendar and luminescent arrows. Submersible 100 meters. diameter of the case 45 mm.