Introduction: Casio's Edifice line has built its reputation on motorsport-inspired design, pairing the brand's renowned Japanese engineering with the visual language of the pit lane, and the EFR-540RB belongs to the celebrated Red Bull Racing collaboration series that ran through the 2010s. This men's model presents a round stainless steel case with a matching stainless steel bracelet, giving it the substantial, sporty presence that Edifice is known for, while the silver and black dial delivers strong contrast and clear legibility across its chronograph registers and date display. Powered by a solar movement, it draws energy from light rather than relying on frequent battery changes, a practical touch for daily wear. It suits collectors of racing-themed timepieces and anyone seeking a robust, everyday sports chronograph with genuine motorsport heritage. 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. 44.5 mm (excluding crown) / Length approx. 44.5 mm Wrist Size: Up to approx. 21.5 cm (8.46 inches) max Material: Stainless Steel Band: Stainless Steel Movement: Solar with Date Chronograph Dial: Silver / Black dial Reference: EDIFICE / RedBull Racing / EFR-540RB Gender: Men's Era: 2010-2020 Maintenance: Cleaned and sanitized. Accessories: None (watch only). Internal Ref:26-1438 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.