Side by side

Differs

Rolex Datejust 36126231

Rolex Day‑Date 40228345RBR

Shape: Round; Round; Round
Diameter (differs): 36 mm; 40 mm; 36 mm
Thickness: Not known; 12 mm; Not known
Lug width (differs): 20 mm; 21 mm; 23 mm
Material (differs): Rolesor (steel and gold); Everose gold; Rolesor (steel and gold)
Bezel (differs): Fluted; Fixed; Fluted
Caseback: Screw-down; Screw-down; Screw-down
Crystal: Sapphire; Sapphire; Sapphire
Cyclops: Yes; Yes; Yes
Crown: Screw-down; Screw-down; Screw-down
Water resistance: 100 m; 100 m; 100 m

Calibre (differs): Rolex 3235; Rolex 3255; Rolex 7135
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; In-house
Power reserve (differs): 70 h; 70 h; 67 h
Frequency (differs): 28,800 vph (4 Hz); 28,800 vph (4 Hz); 36,000 vph (5 Hz)
Jewels (differs): 31; 32; 39
Certification: Superlative Chronometer; Superlative Chronometer; Superlative Chronometer
Functions (differs): Centre hour, minute and seconds hands
Instantaneous date with rapid setting
Stop-seconds for precise time setting; Centre hour, minute and seconds hands
Instantaneous day and date in apertures, secure rapid-setting
Stop-seconds for exact time setting; Centre hour, minute and seconds hands
Instantaneous date with rapid setting
Stop-seconds for precise time setting
Complications (differs): Central seconds
Date
Hacking (stop) seconds; Central seconds
Date
Day
Day-date
Hacking (stop) seconds; Central seconds
Date
Hacking (stop) seconds

The watches side by side