The Casio AQ-S810WC-7AVCF Men's Wristwatch is a stylish and reliable timepiece suitable for sports and everyday wear. This quartz movement watch features a water resistance of 100m (10 ATM), making it perfect for water activities. The two-piece resin strap and buckle closure provide a comfortable and secure fit. The watch comes in a round shape with a 44mm case size and is available in white or black colors for the case and dial. With both analog and digital displays, this Casio Illuminator model is a practical choice for any man looking for a versatile wristwatch. Needs to be clean and to replace battery.