H. Moser & Cie. HMC 801

The HMC 801 is a hand-wound manufacture caliber featuring an extremely precise moon phase complication with a very large moon phase display window. It includes a 7-day power reserve with double barrel, AM/PM indicator with indices 12-6 o'clock representing AM and 7-11 o'clock representing PM, hacking seconds, interchangeable Moser escapement, original Straumann Hairspring, traditional screw balance wheel with gold adjusting screws, red balance bridge, gold escapement wheel and pallet fork, bevelled ring and Moser teeth for all wheels and pinions. Moon phase adjuster via push-button on case flank. Used in the Endeavour Perpetual Moon collection.