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Differs

Rolex Datejust 36126201

Shape: Not known; Round; Round
Diameter (differs): 36 mm; 40 mm; 36 mm
Thickness: Not known; 11.9 mm; Not known
Lug width: 20 mm; 20 mm; 20 mm
Material (differs): Rolesor (steel and gold); 18k white gold; Rolesor (steel and gold)
Bezel (differs): Smooth; Fixed; Smooth
Caseback: Screw-down; Screw-down; Screw-down
Crystal: Sapphire; Sapphire; Sapphire
Cyclops (differs): No; No; Yes
Crown: Screw-down; Screw-down; Screw-down
Water resistance: 100 m; 100 m; 100 m

Calibre (differs): Rolex 3230; Rolex 4131; Rolex 3235
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; In-house
Power reserve (differs): 70 h; 72 h; 70 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 31; 47; 31
Certification: Superlative Chronometer; Superlative Chronometer; Superlative Chronometer
Functions (differs): Centre hour, minute and seconds hands
Stop-seconds for precise time setting; 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
Instantaneous date with rapid setting
Stop-seconds for precise time setting
Complications (differs): Central seconds
Hacking (stop) seconds; Chronograph
Small seconds; Central seconds
Date
Hacking (stop) seconds

The watches side by side