KUERST watch was designed to remind you of your engineering masterpiece, every day, every hour, every minute! The case is made of steel that has been deep surface hardened and then given a scratch-resistant finish, which creates a beautiful lustrous metallic color. Design with multi-function dial, more fashionable and luxurious! crystal dial: the lens is hard and the display is clear, Movement: Japanese imported quartz analog movement and battery, provide precise time and long-term running. The watch can be used for more than 2 years. Material: The strap is made of PU /Leather, comfortable and soft and breathable. sapphire Dial Window , 316 steel case, Suit for all kinds of occasions. 5ATM waterproof: This watch is waterproof 50m, can withstand daily splash or short immersion in water, but not showering in hot water