Introduction: Casio's PRO TREK line has long been the choice of hikers, climbers and outdoor professionals, built around the idea that a watch should be a practical instrument first. The PRW-6600Y continues that tradition with a round stainless steel case, a layered digital-analogue display in black and navy that keeps the hands and the data readable at a glance, and a day-date indication for everyday orientation. Power comes from Casio's solar system, so the watch charges from natural or artificial light rather than relying on frequent service. A leather band softens the tool-watch character and makes it easy to wear with casual or workwear. Produced in Thailand, it suits men who want genuine field functionality in a design that still works away from the trail. Condition Report: Status: [ Working ] (All basic functions, including crown operation, have been checked and work properly. Keeping time at the time of listing.) Cosmetic: Overall Rank B (excellent pre-owned condition with only minor signs of use). Specs: Brand: CASIO Case Size: approx. 45.2 mm (excluding crown) / Length approx. 45.0 mm Wrist Size: Up to approx. 21.0 cm (8.27 inches) max Material: Stainless Steel Band: Leather Movement: Solar with Day-Date Dial: Black / Navy dial Reference: PRO TREX / PRW-6600Y Calibre: Cal.5571 Gender: Men's Maintenance: Cleaned and sanitized. Accessories: None (watch only). Internal Ref:26-1568 Shipping & Guarantee: Your item will be carefully packed with protective cushioning and secure outer boxing. We ship from Japan within 3 business days of payment via DHL Express, FedEx or Japan Post with full online tracking. We offer a full refund guarantee in the unlikely event of loss or damage during transit, ensuring complete peace of mind and security with your purchase. Customs and Taxes: This item will be shipped from Japan. Please be aware that your country of residence may impose customs duties and import taxes. These additional charges are the sole responsibility of the buyer. Customs policies vary widely from country to country, so we recommend contacting your local customs office for specific information.