Description:

• Self-winding manufacture movement
• Precision adjustment via shock-resistant screw balance with four regulation screws
• Central rotor with platinum segment, unidirectional winding
• Plates and bridges in untreated nickel silver
• Balance bridge engraved by hand

Functions:

• Hours, minutes
• Day of week at 9 h
• Big date at 3 h
• Small seconds with hacking seconds at 6 h

Data:

• ∅ 32.9 mm, H 6.2 mm
• 28.800 A/h
• 31 jewels, including 1 in screwed gold chatons
• 312 components
• Power reserve 50 hours