SWISS MADE precision Ronda 515.24H quartz dual time GMT movement. Solid 316L stainless steel case with built-in crown protector. Features a two-color (black & yellow) click-and-turn reversible leather band, carbon fiber dial with Super-LumiNova illuminated numbers and indexes. Water resistant to 100ft/30m. Size 52mm, thickness 12mm, weight 4.5oz. Serial numbered. 2 year international warranty. Available in steel and black steel.