Side by side

Differs

Rolex GMT‑Master II126715CHNR

Shape: Round; Round; Not known
Diameter: 40 mm; 40 mm; 40 mm
Thickness (differs): Not known; 11.9 mm; 15.02 mm
Lug width: 20 mm; 20 mm; 20 mm
Material (differs): Everose gold; Everose gold; Stainless steel
Bezel (differs): Bidirectional rotating; Tachymeter; Bidirectional rotating
Bezel insert: Cerachrom ceramic, Brown/black; Not known; Not known
Caseback: Screw-down; Screw-down; Screw-down
Crystal (differs): Sapphire; Sapphire; Sapphire, Domed, Anti-reflective on both sides
Cyclops (differs): Yes; No; Not known
Crown (differs): Screw-down; Screw-down; Push-pull
Water resistance: 100 m; 100 m; 100 m

Calibre (differs): Rolex 3285; Rolex 4131; Breitling Gallet 23
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; Not known
Power reserve (differs): 70 h; 72 h; 65 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 34; 47; Not known
Certification: Superlative Chronometer; Superlative Chronometer; Not known
Functions (differs): Centre hour, minute and seconds hands
24-hour display
Second time zone with independent rapid-setting of the hour hand
Instantaneous date
Stop-seconds for precise time setting; Centre hour and minute hands, small seconds hand at 6 o'clock
Chronograph via centre seconds hand, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock
Stop seconds for exact time setting; Not known
Complications (differs): Central seconds
Date
GMT / second time zone
Hacking (stop) seconds; Chronograph
Small seconds; Chronograph

The watches side by side