• Manual winding manufacture movement
• Rattrapante chronograph with column-wheel control
• Perpetual calendar
• Repetition
• Plates and bridges in untreated nickel silver
• NIVAROX-1 flat hairspring from in-house production
• Glucydur screw balance
• Three barrels (time, chime, chronograph)
• Shock protection
• Balance cock engraved by hand
• Edges im movement chamfered and polished

Functions:

• Hours, minutes, small seconds with hacking seconds
• Chronograph seconds, 30-minutes counter, rattrapante hands
• Seconde foudroyante
• Perpetual calendar with date, day of week, month, leap year, moon phase indication
• Repetition with Petite and Grand Sonnerie

Data:

• ∅ 40.5 mm; H 14.2 mm
• 18,000 A/h
• 67 jewels, including 7 in screwed gold chatons
• 876 components
• Power reserve 30 h