[Introduction] This is a vintage TAG Heuer Formula 1 Professional quartz diver’s watch, reference 370.513. The Formula 1 series represents TAG Heuer’s bold entry into professional sports watches, combining Swiss reliability with a distinctive, functional design that defined the brand in the late 1980s and 1990s. [Historical & Collector Value] The Formula 1 collection played a crucial role in TAG Heuer’s revival era, making Swiss-made sports watches accessible while maintaining professional specifications. Early Formula 1 quartz models such as this reference 370.513 are increasingly appreciated by collectors for their authentic period design, robust construction, and connection to TAG Heuer’s motorsport and diving heritage. Original examples in honest condition are becoming harder to find. Specifications ◇Brand: TAG Heuer ◇Model: Formula 1 Professional ◇Reference: 370.513 ◇Movement: Swiss quartz ◇Case Material: Stainless steel ◇Bezel: Unidirectional rotating bezel ◇Case Size: Approx. 35 mm (excluding crown) ◇Water Resistance: 200 meters ◇Dial: Black with luminous hour markers ◇Crystal: Mineral glass ◇Bracelet/Strap: Black rubber strap ◇Functions: Hours, minutes, seconds, date ・Condition The watch shows visible signs of age and use, including scratches and wear on the case, bezel, and case back, consistent with a vintage sports watch. Dial, hands, and bezel markings remain legible. Please refer carefully to the photos, which form an essential part of the description. ・Service History The watch has undergone basic maintenance and operational checks Currently running at the time of inspection Please note: Depending on the buyer’s standards and future use, battery replacement and/or a full overhaul may be required This disclosure is made to ensure transparency and peace of mind for collectors. ・Shipping & Customs The watch will be shipped securely with careful packaging International shipping available Import duties, VAT, and customs fees are the responsibility of the buyer