Sapphire is a rare occurrence for ordinary Casio, especially if the watch does not have any additional features. Here Casio tried to create the ideal version of the “classic” pointer accessory, which is only needed to show the time. The may be popular today, but smart watches and other “smart” gadgets will mentally never replace an ordinary watch in the classical sense. Movement: Quartz Glass material: Sapphire crystal with anti-reflective coating Case material: Stainless Steel Water resistant: 50 Meters/5 ATM/5 BARi Case back: Screw case back Strap material: Stainless Steel Clasp: Fold over with double push button Calendar: Date Accuracy: 20 seconds per month Approx battery life: 10 years on CR2012 Regular timekeeping: Analog: 3 hands (hour, minute, second)