Men's Analog Watch Franck Muller Tonneau Curvex Vegas. Case Material: 18k White Gold, Dimensions: 47mm x 34mm diameter and width. Shape: Tonneau case. Strap Material: Black Alligator Leather with Tang clasp. Dial Features: Fixed Diamond Bezel, Black/Roulette Motif design, Luminous Hour Markers (Arabic), Luminous Hands. Crystal: Scratch Resistant Sapphire. Functions: Display of Hours and Minutes only. Additional Feature: Push-button coaxial on the crown operates a central roulette needle as an additional function. Luxury watch style with Swiss Made label.