R+ Factory 115g Counterweight Edition .Rolex Cellini Calendar Model Strongly Arrives .Size: 39mm x 12mm .Movement: Equipped with a custom 3165 movement, featuring stick style hour and minute hands along with a date pointer, maintaining the same functionality as the original .Case: Made of 316L high grade stainless steel with original top level electroplating and antioxidant protection .Dial: Engraved with a radiant pattern process, providing a strong three dimensional texture .Strap + Buckle: Top quality full edge Italian calf leather strap paired with the original K fold clasp