Maurice Lacroix, Masterpiece Collection Calendrier Retrograde, 18k Gold, MP 6368 Case: 43 mm, 18k gold, inclined brushed bezel, display back with screws, double sapphire crystals Dial: sterling silver with black centers, Arabic numerals, sub seconds, forty hour sector up/down indicator, retrograde date index, gold Breguet moon hands Movement: caliber ML 76, rhodium finish, shock absorbers, cotes de Geneve decoration, 33 jewels, Glucydur balance Band: original crocodile band and 18k gold buckle Signed: Maurice Lacroix on the case dial and movement This timepiece is accompanied by inner and outer boxes, all papers and an adjusting tool for the date HID03101062020 © 2020 Heritage Auctions | All Rights Reserved