Explore Erdem's collection for stylish

The Calibre TH31-00 automatic movement offers COSC-certified accuracy and an 80-hour power reserve

Built for the most demanding environments

The watch offers approximately 42 hours of power reserve

Inspired by the past

Casio Tough Solar Men's Black Watch Case Depth_14.5mm Explore Erdem's collection for stylishThe Casio Tough Solar AQ S820W 1AVDF is a rugged 50mm mens watch built for durability and performance. Designed for outdoor and active lifestyles, it combines a bold black case and strap with versatile functionality. Powered by reliable Tough Solar technology, the watch runs on light energy, eliminating the need for frequent battery changes. Features include dual countdown timers, world time, stopwatch, and 5 daily alarms. The durable resin crystal