Franck Muller Casablanca Atlantide 18k yellow gold wristwatchNo 241 5850 MBDial: tonneau, silvered quadranted sunburst pattern, stylized black Arabic numeral hour markers, outer framed black and white minutes track, subsidiary second time zone dial at 12, round aperture at 3:00 for date, blue enamel Atlantide emblem, Franck Muller. Movement: automatic, rotor segment, platine 950, cal 2800 MB, Franck Muller. Case: tonneau, 18k yellow gold, snap back, inside; Franck Muller, Geneve, 18K, 750, 45, Swiss Hallmarks, 38.38 mm outer; Franck Muller, Geneve No 241, 5850 MB. Strap: black reptile, Franck Muller, 18k yellow gold, Muller Logo on Buckle. Accompanied by a Franck Muller Certificate and original presentation box. This watch was a special commission made for Thomas Perkins and named for the yacht he owned, Atlantide.Provenance: Property from the estate of Thomas J. Perkins, San Francisco, and Belvedere, CA