Introducing the all-new upgraded high-end Longines Master Collection L2.909.4.78.3 watch, making its grand debut! Its simplicity and elegance showcase a poised demeanor! .1. Case: The watch measures 40x11.5mm, featuring a steel strap with a custom mold of 21mm (not the commonly used 20mm), meticulously replicating the unique elegance of the Master Collection case, ensuring a comfortable fit for the wearer.2. The leaf-shaped hands are crafted to match the style and craftsmanship of the genuine product.3. The wheat grain texture on the dial is identical to the original, indistinguishable to the naked eye.4. The strap is made of 316L stainless steel paired with a stainless steel clasp, featuring a double-arched sapphire crystal for enhanced durability.5. It is equipped with an original automatic skeleton movement and includes both single and double date functions, utilizing the imported Seiko Caliber 9015 movement for precise timekeeping!