Side by side

Differs

Shape: Not known; Round; Round
Diameter (differs): 41 mm; 40 mm; 42 mm
Thickness (differs): 8 mm; Not known; 15.25 mm
Lug width (differs): Not known; 25 mm; 22 mm
Material: 950 platinum; 950 platinum; 950 platinum
Bezel (differs): Not known; Fluted; Fixed
Caseback (differs): Display (sapphire); Screw-down; Display (sapphire)
Crystal (differs): Sapphire; Sapphire; Sapphire, Domed, Anti-reflective on both sides
Cyclops: Not known; Yes; Not known
Crown (differs): Screw-down; Screw-down; Push-pull
Water resistance: 100 m; 100 m; 100 m

Calibre (differs): Chopard L.U.C 96.42-L; Rolex 7135; Breitling B21 (Manufacture La Joux-Perret)
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; In-house
Power reserve (differs): 60 h; 67 h; 55 h
Frequency (differs): 28,800 vph (4 Hz); 36,000 vph (5 Hz); 28,800 vph (4 Hz)
Jewels (differs): 31; 39; 30
Certification (differs): COSC; Superlative Chronometer; Not known
Functions (differs): Hours and minutes
Seconds
Stop seconds; Centre hour, minute and seconds hands
Instantaneous date with rapid setting
Stop-seconds for precise time setting; 1/4th second, 60 minutes
Complications (differs): Hacking (stop) seconds; Central seconds
Date
Hacking (stop) seconds; Chronograph
Small seconds
Tourbillon

Type (differs): Metal bracelet; Metal bracelet; Leather strap
Name (differs): Not known; Flat Jubilee; Black alligator leather strap
Material: Not known; 950 platinum; Not known
Clasp (differs): Folding clasp, 950 platinum; Folding clasp; Folding clasp, 18k white gold
Strap colour: Not known; Not known; Black

The watches side by side