An original subsidiary dial shows the 7 days power reserve: a gold moon on a blue disk moves between the « maximum » and the « minimum » of the working power. All the functions, including the dual time, are adjusted through the crown in three positions.
Hours, minutes, seconds, dual time and power reserve indicator at 12 o’clock
Hand-polished flamed blued steel.
Gold silver or plain gold with hand guilloché pattern and blue roman numerals.
Subsidiary dial of power reserve at 12 o’clock.
Subsidiary dial time is 24 hours at 6 o’clock.
Yellow gold, diameter: 42mm.
Sapphire crystal with double anti-reflective coating (1800 Vickers).
Solid in yellow gold
Manual winding movement.
Decorated “Côtes De Bethune” pattern and hand polished parts – Swiss lever escapement
Extra-supple alligator leather, alligator lining