R+ Factory 115g Counterweight Edition .Rolex Cellini Calendar Model is making a strong debut .Size: 39mm x 12mm .Movement: Equipped with a custom version of the 3165 movement, featuring stick style hour, minute, and date hands with the same functionality as the original .Case: Made of 316L stainless steel with top tier electroplating and anti oxidation protection .Dial: Engraved with a radiating pattern, providing a strong three dimensional texture .Strap + Buckle: Top quality Italian calfskin strap with full edge craftsmanship, paired with the original K style folding clasp