Side by side

Differs

Rolex GMT‑Master II126715CHNR

Universal Genève CompaxUGCO002

Shape: Round; Round; Round
Diameter (differs): 40 mm; 40 mm; 39.5 mm
Thickness (differs): 11.9 mm; Not known; 12.45 mm
Lug to lug: Not known; Not known; 47.8 mm
Lug width (differs): 20 mm; 20 mm; 19 mm
Material (differs): Everose gold; Everose gold; Stainless steel
Bezel (differs): Tachymeter; Bidirectional rotating; Tachymeter
Bezel material: Not known; Not known; Stainless steel
Bezel insert (differs): Not known; Cerachrom ceramic, Brown/black; Ceramic
Caseback (differs): Screw-down; Screw-down; Display (sapphire)
Crystal (differs): Sapphire; Sapphire; Sapphire, Domed, Anti-reflective on both sides
Cyclops (differs): No; Yes; Not known
Crown (differs): Screw-down; Screw-down; Push-pull
Water resistance: 100 m; 100 m; 100 m

Calibre (differs): Rolex 4131; Rolex 3285; Universal Genève UG-200
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; In-house
Power reserve (differs): 72 h; 70 h; 72 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 47; 34; 36
Certification: Superlative Chronometer; Superlative Chronometer; Not known
Functions (differs): 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; 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; Hour
Minute
Second
Chronograph
Complications (differs): Chronograph
Small seconds; Central seconds
Date
GMT / second time zone
Hacking (stop) seconds; Chronograph

The watches side by side