Side by side

Differs

Rolex Air‑King126900

Universal Genève CompaxUGCO002

Shape: Round; Round; Round
Diameter (differs): 40 mm; 39.5 mm; 40 mm
Thickness (differs): Not known; 12.45 mm; 11.9 mm
Lug to lug: Not known; 47.8 mm; Not known
Lug width (differs): 21 mm; 19 mm; 20 mm
Material (differs): Oystersteel; Stainless steel; Oystersteel
Bezel (differs): Smooth; Tachymeter; Tachymeter
Bezel material: Not known; Stainless steel; Not known
Bezel insert (differs): Not known; Ceramic; Cerachrom ceramic, Black
Caseback (differs): Screw-down; Display (sapphire); Screw-down
Crystal (differs): Sapphire; Sapphire, Domed, Anti-reflective on both sides; Sapphire
Cyclops: No; Not known; No
Crown (differs): Screw-down; Push-pull; Screw-down
Water resistance: 100 m; 100 m; 100 m

Calibre (differs): Rolex 3230; Universal Genève UG-200; Rolex 4131
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; In-house
Power reserve (differs): 70 h; 72 h; 72 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 31; 36; 47
Certification: Superlative Chronometer; Not known; Superlative Chronometer
Functions (differs): Centre hour, minute and seconds hands
Stop-seconds for precise time setting; Hour
Minute
Second
Chronograph; 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
Hacking (stop) seconds; Chronograph; Chronograph
Small seconds

The watches side by side