Introduction: Casio's Oceanus line represents the brand's upmarket side, developed in Japan as a dress-oriented alternative to its tougher sport models, and this men's example captures that character well. Built around calibre 5007, it is a radio-controlled solar chronograph, so timekeeping is drawn from light and corrected by atomic time signals rather than manual setting. The round case and matching bracelet are formed in titanium, giving the familiar Oceanus combination of substantial presence with notably light weight on the wrist, while the silver and black dial arrangement keeps the chronograph registers, day and date clearly legible. Finished to the standard expected of Japanese domestic-market production, it suits collectors of Casio's premium references and anyone wanting a technically capable watch that still reads as formal. 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. 43.3 mm (excluding crown) / Length approx. 43.3 mm Wrist Size: Up to approx. 19.0 cm (7.48 inches) max Material: Titanium Band: Titanium Movement: Solar with Day-Date Chronograph Dial: Silver / Black dial Reference: OCEANUS / 5007 Gender: Men's Maintenance: Cleaned and sanitized. Accessories: None (watch only). Internal Ref:26-1496 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. Search tags/terms; Casio, Oceanus, Casio Oceanus, 5007, OCW-P500, OCWP500, solar, men's watch, 2000s, titanium, black dial