Side by side

Differs

Rolex GMT‑Master II126715CHNR

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

Calibre (differs): Rolex 3285; Breitling Gallet 23; Rolex 4131
Type: Automatic; Automatic; Automatic
Origin: In-house; Not known; In-house
Power reserve (differs): 70 h; 65 h; 72 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 34; Not known; 47
Certification: Superlative Chronometer; Not known; Superlative Chronometer
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; Not known; 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
Complications (differs): Central seconds
Date
GMT / second time zone
Hacking (stop) seconds; Chronograph; Chronograph
Small seconds

The watches side by side