Ref. AB0139211G1A1, men's watch, stainless steel, diameter approx. 41 mm, thickness approx. 13.6 mm, screw-down case back, water-resistant to 3 atm, sapphire crystal, rotating bezel, slide rule, automatic chronometer, hours, minutes, small seconds, date and stopwatch functions, opaline dial with luminous hands and hour markers, stainless steel bracelet with folding clasp. Original box and papers. The Breitling Navitimer B01 Chronograph Ref. AB0139211G1A1 is an iconic pilot’s watch known for its functionality and classic design. The Navitimer series was first introduced in the 1950s and has since become one of Breitling’s most recognizable watches. This watch is powered by an automatic chronograph movement that offers precise timekeeping and stopwatch functions. The dial features an elegant opaline finish and includes several sub-dials for the chronograph function. The distinctive rotating bezel with a slide rule function allows pilots to perform various calculations, such as speed and distance. The case is made of stainless steel and has a diameter of approximately 41 mm. Special features: Material & Design: 41 mm diameter, ideally proportioned for everyday wear & business, domed, double-anti-reflective sapphire crystal – highly scratch-resistant and clearly legible, bidirectional rotating bezel with circular slide rule (typical of the Navitimer for aviation calculations) Precision & Reliability: Breitling Manufacture Caliber B01 – in-house automatic chronograph movement, COSC-certified chronometer – high accuracy, chronograph functions Versatile Style: Combines classic pilot’s watch design with modern elegance – suitable for leisure, business, and formal occasions; the circular slide rule bezel is not only functional but also an iconic design element of the Navitimer family Durability & Quality: High-quality materials: stainless steel, sapphire crystal, precision craftsmanship The watch comes with a stainless steel bracelet that underscores its sporty character. The Breitling Navitimer is not only a functional instrument for pilots but also a popular collector’s item among watch enthusiasts due to its timeless design and technical sophistication.