EDIFICE 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. Screws at the four corners of the case, a powerful index design, and a gold second hand create a sporty finish. Uses a scratch-resistant sapphire crystal. Case / bezel material: Stainless steel Stainless Steel Band One-touch 3-fold Clasp Sapphire crystal with anti-reflective coating 100-meter water resistance Date display Regular timekeeping: Analog: 3 hands (hour, minute, second) Accuracy: Çï¶Ï20 seconds per month Approx. battery life: 3 years on SR916SW Size of case : 44.8 _ 39.9 _ 7.8 mm Total weight : 110 g