Casio EFR-S108D-2AVUDF Edifice WatchEDIFICE SLIM series with Sapphire Crystal This three hand analog model features a slim 7. 8 mm thick case that enhances fit. The watch boasts a flat octagonal bezel with a hairline finish that creates a sporty yet luxurious design. A dial with a hairline finish also creates a high quality feel. Uses a scratch resistant sapphire crystal. Accuracy Accuracy: 20 seconds per month Other features Regular timekeeping: Analog: 3 hands (hour, minute, second)