R+ Factory 115g Weight Version .Rolex Cellini Calendar Model Strongly Debuts .Size: 39mm x 12mm .Movement: Equipped with a custom version of the 3165 movement, featuring stick style hour, minute, and calendar hands. Functionality is the same as the original.Case: 316L premium original grade electroplating and antioxidant protection.Dial: Engraved with a radiating pattern, providing a strong three dimensional texture.Strap + Buckle: Top quality fully edged Italian calfskin strap paired with an original K fold clasp.