Masterpiece double retrograde limited version movement maurice lacroix manufacture movement hand decorated mechanical hand wound ml 151 calibre 52 jewels bridges ball peened and pink gold plated polished steel screws bridge engraved as limited edition blued steel screws 18 000 ah functions hours and minutes indication with central hands retrograde 24 hour indication for second time zone at 12 oclock retrograde date indication with hand at 6 oclock power reserve indication wi