23mm Quick-Release Nylon Strap Compatible with Casio PRW-6800/6900Y/400Y/60Y/61Y/50Y/70Y/30/35/51/60/70/73X & PRT-B50/B70 & PRJ-B001 - Military-Grade Durable Outdoor Sports Band with Metal Buckle.

["【Model & Easy Installation】:Designed specifically for Casio Pro Trek models (PRW-6800/60/70, PRT-B50/B70, etc.). The ​tool-free quick-release spring bars​ allow you to change straps in seconds, offering the ultimate convenience for your outdoor gear.​","【Choose Your Size & Glow in The Dark】:PLEASE SELECT YOUR SIZE CAREFULLY:​​ ​Medium (M)​​ fits wrist circumference ​6.4\" - 7.4\" (165mm - 190mm)​. ​Large (L)​​ fits ​6.8\" - 8.6\" (175mm - 220mm)​. Measure your wrist to ensure a perfect fit! Plus, ​glow-in-the-dark markers​ provide safety and visibility in low light. An ideal gift for adventurers.","【Military Toughness】:Constructed from ​heavy-duty, abrasion-resistant nylon​ to withstand the toughest conditions. This strap ensures your watch stays protected during hikes, climbs, and all your adventures.","【Secure & Adjustable】:The ​reliable hook-and-loop closure​ delivers a fully customizable and secure fit that locks in place, preventing any slippage during intense physical activity.","【All-Day Comfort]】:Features a ​breathable perforated inner layer​ that wicks away moisture and enhances airflow. The soft, flexible material provides exceptional comfort for long-term wear."]