Side by side

Differs

Rolex GMT‑Master II126710GRNR

Longines Spirit Zulu TimeL3.802.4.50

Shape: Round; Round; Round
Diameter (differs): 40 mm; 40 mm; 39 mm
Thickness (differs): Not known; 11.9 mm; 13.5 mm
Lug to lug: Not known; Not known; 46.8 mm
Lug width (differs): 20 mm; 20 mm; 21 mm
Material (differs): Oystersteel; Oystersteel; Stainless steel
Bezel (differs): Bidirectional rotating; Tachymeter; Bidirectional rotating
Bezel insert (differs): Cerachrom ceramic, Black/grey; Cerachrom ceramic, Black; Not known
Caseback (differs): Screw-down; Screw-down; Solid
Crystal (differs): Sapphire; Sapphire; Sapphire, Anti-reflective on both sides
Cyclops: No; No; Not known
Crown: Screw-down; Screw-down; Screw-down
Water resistance: 100 m; 100 m; 100 m
Weight: Not known; Not known; 147 g

Calibre (differs): Rolex 3285; Rolex 4131; Longines L844.4
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; Not known
Power reserve (differs): 70 h; 72 h; 72 h
Frequency (differs): 28,800 vph (4 Hz); 28,800 vph (4 Hz); 25,200 vph (3.5 Hz)
Jewels (differs): 34; 47; 21
Certification (differs): Superlative Chronometer; Superlative Chronometer; COSC
Functions (differs): 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 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; Hours, minutes, seconds and date. 24 hours hand with time zone mechanism
Complications (differs): Central seconds
Date
GMT / second time zone
Hacking (stop) seconds; Chronograph
Small seconds; Date
GMT / second time zone

The watches side by side