Franck Muller. An 18K gold automatic triple calendar wristwatch with moon phase
Model: Master CalendarReference: 5850 MC LDate: Circa 1990Movement: Jewelled Cal.2800 automatic, platinum rotor segmentDial: Sunburst guilloché engraved silvered, black exploded Arabic numerals, inner black 1/5th second divisions with red 5 minute markers, inner calendar markers, day and month apertures below 12, moon phase at 6, blued steel spade hands, centre seconds, further arrow tipped centre calendar handCase: Brushed and polished tonneau form, back secured by 4 screws, quick set buttons at 2, 4, 8 and 10, No.225Strap/Bracelet: Black Franck Muller alligator leather Buckle/Clasp: Signed 18K gold buckleSigned: Case, dial & movement Size: 31mm Accompaniments: Franck Muller box, Certificate