The Casio G-Shock GM-B2100BD-1AJF Black Full Metal Analog Digital Men's Watch is a stylish and durable timepiece suitable for both casual and dress/formal occasions. With a solar movement and water resistance up to 200 meters, this watch offers reliable performance in any situation. It features Bluetooth connectivity, date indicator, backlight, alarm, and multiple time zones for added convenience. The 1-year manufacturer warranty ensures peace of mind, while the manual/booklet provides guidance on using the watch's features. This high-quality wristwatch from Casio is a must-have for any modern man.