Tourbillon Ronde d'Or – Grand Prix de Monaco Mai 1966

From Ateliers DeMonaco

Courtesy of Ateliers DeMonaco

Here are the pertinents -

Technical specifications

Tourbillon Ronde d'Or – Grand Prix de Monaco Mai 1966

Reference:                  dMc-TB-GP2-WG

Movement:                 

Patented Tourbillon XP 1

Automatic winding

Curved chamfered, hand perlage, hand engraving decoration

Hand engraved 22 carats gold rotor

Silicium escape wheel and lever

Alternances 28800 beats/hour (4 Hrz)

Sapphire tourbillon bridge

Functions:                   

Hour, minutes, small seconds (6 o’clock)

Case:                           

18K White gold

Diameter 44 MM

Thickness 13.1 MM

31 parts overall

Titanium core

Brushed, polished and assembled by hand

Front and back sapphire crystal

Water resistant up to 3 ATM

Dial:                            

Solid gold 4 layers applied by hand

Hand engraved dial showing Grand Prix de Monaco Mai 1966

6 o'clock tourbillon opening

Hands:                         

Dauphine shaped

Strap:                          

Hand stitched alligator leather

18K folding buckle

Edition:                  

Unique piece