Up for auction is a stunning and increasingly rare example of the Oris Big Crown BC3 (Ref. 635 7500 / 20-61940). Originally purchased in February 2002, this timepiece represents the golden era of Oris tool watches, blending Swiss precision with a rugged, utilitarian design that has become a hallmark of the brand. This specific example is a "collector’s dream," coming as a complete full set with all original documentation and a highly desirable accessory. Condition & Performance • Movement: The heart of this watch is the Oris Cal. 635 (based on the reliable ETA 2836-2). It is running perfectly, keeping excellent time with all functions (Day/Date) snapping sharply at midnight. • Case: The 40mm stainless steel case retains its sharp industrial lines and original matte finish. • Dial: Deep matte black dial with high-contrast Arabic numerals and luminous hands, offering superb legibility. The "Full Set" Advantage Finding a BC3 from the early 2000s with its original kit is rare; finding one with the official rubber strap upgrade is exceptional: 1. Original Stainless Steel Bracelet: Currently fitted, including full links and extra links in the bag . 2. Oris Original Rubber Strap: Included in the sale is the genuine Oris textured rubber strap with the signed Oris deployment clasp. This strap alone is valued at approximately £200 and transforms the look of the watch for a sportier feel. 3. Documentation: Original guarantee card (stamped 19/02/02), service manuals, and International Service Center booklet. 4. Presentation: Includes the original Oris inner and outer box set. Technical Specifications • Reference: 635 7500 / 20-61940 • Year: 2002 • Case Diameter: 40 mm (excluding the signature "Big Crown") • Crystal: Sapphire (Front) with Mineral glass exhibition case back. • Water Resistance: 50m (5 ATM) • Functions: Hours, Minutes, Sweeping Seconds, Day, and Date. • Lume: Super-LumiNova on hands and markers. Why Bid? The BC3 is widely considered a modern classic. While many were worn heavily as daily beaters, this example has been preserved in a way that respects its history. With the inclusion of both the steel bracelet and the premium Oris rubber strap, this is the most versatile pilot’s watch you can add to your collection. A true "set-and-forget" investment for any Oris enthusiast or military watch collector. Shipping: Fast, insured shipping worldwide with secure packaging to ensure the box and documents arrive in the condition shown.