DB3
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
Hands
Hand-polished flamed blued steel.
Dial
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.
White gold, diameter: 42mm.
Attachments:
Ogival lugs
Glass
Sapphire crystal with double anti-reflective coating (1800 Vickers).
Back
Solid in white gold
Manual winding movement.
Decorated “Côtes De Bethune” pattern and hand polished parts – Swiss lever escapement
Jewelling
19 jewels.
Frequency
28’800 vibrations/hour.
Power Reserve
7 days
Extra-supple alligator leather, alligator lining