Franck Muller Master Banker 5850 MB N107

18k Gold Master Banker Master Of Complications Franck Muller gentlemen's tank curvex watch, Ref. 5850 MB N107, champagne, gold-tone and black dial, gold-tone and black Arabic numeral indices, blue hands, two champagne time-zone sub dials, black Arabic and baton indices and blue leaf hands, date aperture positioned at 3 o'clock, 18k gold case and bezel, pull-push crown positioned at 3 o'clock, automatic movement, brown leather Franck Muller strap with a 18k gold buckle clasp, width of strap 18mm, bezel approximately 33mm, total weight 80.7 grams, circa 2000s, in working order, in presentable condition with scratches to the case and bezel, wear to strap, in original box and case with p