GF Factory Breitling Aviation Chronograph Series .Still adhering to the original quality and top notch craftsmanship, highly recommended.Case diameter: MM, matching the authentic size.The watch uses calfskin leather, which is completely consistent with the genuine product in terms of both material and details.Movement: The movement features an excellent cal.01 custom plate, with each movement carefully selected to achieve the best possible stability.Case: The case continues to maintain the original quality standards, with strict requirements in every aspect from the selection of steel to the precision of the design blueprints, as well as the standardization of overall processing and polishing accuracy. Every step is meticulously crafted to achieve the highest level of authenticity, providing consumers with a true representation.The glass uses the same dome shaped sapphire crystal as the original, featuring an anti glare coating for high transparency. The blue light refracted at the same angle is highly consistent.While replicating is not overly difficult, careful attention to detail is essential to achieve a high quality result.All components are interchangeable with the authentic product, which is what makes it a top tier replica a masterpiece of craftsmanship. Welcome to appreciate! .jy