Side by side

Differs

Rolex GMT‑Master II126715CHNR

Rolex Datejust 36126203

Shape: Not known; Round; Round
Diameter (differs): 36 mm; 40 mm; 36 mm
Lug width: 20 mm; 20 mm; 20 mm
Material (differs): Rolesor (steel and gold); Everose gold; Rolesor (steel and gold)
Bezel (differs): Smooth; Bidirectional rotating; Smooth
Bezel insert: Not known; Cerachrom ceramic, Brown/black; Not known
Caseback: Screw-down; Screw-down; Screw-down
Crystal: Sapphire; Sapphire; Sapphire
Cyclops (differs): No; Yes; Yes
Crown: Screw-down; Screw-down; Screw-down
Water resistance: 100 m; 100 m; 100 m

Calibre (differs): Rolex 3230; Rolex 3285; Rolex 3235
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; In-house
Power reserve: 70 h; 70 h; 70 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 31; 34; 31
Certification: Superlative Chronometer; Superlative Chronometer; Superlative Chronometer
Functions (differs): Centre hour, minute and seconds hands
Stop-seconds for precise 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; Centre hour, minute and seconds hands
Instantaneous date with rapid setting
Stop-seconds for precise time setting
Complications (differs): Central seconds
Hacking (stop) seconds; Central seconds
Date
GMT / second time zone
Hacking (stop) seconds; Central seconds
Date
Hacking (stop) seconds

The watches side by side