Introduction: Launched in 1986 following the acquisition of Heuer by Techniques d'Avant Garde (TAG), the Formula 1 series is celebrated for revitalizing the brand with bold, vibrant motorsport aesthetics and reliable Swiss quartz technology. This Ref. 373.508 stands out with its striking high-visibility orange unidirectional rotating bezel, matte stainless steel case, grey dial with Mercedes-style hands, and matching orange rubber strap. It is a highly sought-after, colorful vintage neo-classic that embodies retro sports style. Condition Report: Status: [ Working ] (Fitted with a brand-new battery and running accurately.) Cosmetic: Pre-owned vintage condition (Rank B). The matte stainless steel case, orange rotating bezel, and case back exhibit light hairline surface scratches and minor signs of wear consistent with pre-loved use. The dial, luminous hour markers, and crystal remain clean and readable. The orange rubber strap is flexible and fully wearable. Specs: Case Size: Approx. 27.2 mm (excluding crown) × 32.2 mm (vertical) Wrist Size: Fits up to approx. 18.5 cm (7.28 inches) Material: Stainless Steel / Fiberglass Composite Bezel / Rubber Strap Movement: Swiss Quartz (with Quickset Date) Maintenance: Cleaned, sanitized, and fitted with a brand-new battery. Accessories: Watch only (no original box or papers included). Shipping & Insurance: Shipped directly from Japan via fast and secure DHL express service. For your complete peace of mind, full transit insurance is included, and we guarantee a full refund in the unlikely event of loss or damage during transit. Internal Ref:26-1324 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.