5850 WW Franck Muller. This Watch has fixed bezel, blue dial with the map and circle for date indication in the center, small sub-dial for Second Time Zone indication. Sapphire crystal protects front side of the watch, case back is solid. Blue Crocodile Leather strap with Gold buckle. Automatic movement. Water-resistance up to 30m./90 ft. The Watch comes in 45х 32 mm 18K Gold case. All pre-owned watches are not returnable. One year warranty for all watches. 5850 WW Franck Muller Gold Watch.