Calibre L903.0 manually wound, tourbillon with fusée-and-chain transmission and planetary gear for constant power delivery, rattrapante chronograph 使用在TOURBOGRAPH "Pour le Mérite" 限量款中
Calibre L901.7 manually wound, twin mainspring barrels, moon-phase display of the Southern Hemisphere, power-reserve indicator, patented outsize date 使用在The GRAND LANGE 1 "Luna Mundi"限量款中