Side by side

Differs

Longines Spirit Zulu TimeL3.812.4.50

Shape: Round; Round; Not known
Diameter: 42 mm; 42 mm; 42 mm
Thickness (differs): 14.1 mm; 14.1 mm; 15.25 mm
Lug to lug: 49.4 mm; Not known; Not known
Lug width (differs): 22 mm; 22 mm; 20 mm
Material (differs): Stainless steel; 18k white gold; Stainless steel
Bezel: Bidirectional rotating; Bidirectional rotating; Bidirectional rotating
Caseback (differs): Solid; Screw-down; Screw-down
Crystal (differs): Sapphire, Anti-reflective on both sides; Sapphire; Sapphire, Domed, Anti-reflective on both sides
Cyclops: Not known; Yes; Not known
Crown (differs): Screw-down; Screw-down; Push-pull
Water resistance: 100 m; 100 m; 100 m
Weight: 164 g; Not known; Not known

Calibre (differs): Longines L844.4; Rolex 9002; Breitling Gallet 23
Type: Automatic; Automatic; Automatic
Origin: Not known; In-house; Not known
Power reserve (differs): 72 h; 80 h; 65 h
Frequency (differs): 25,200 vph (3.5 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 21; 40; Not known
Certification (differs): COSC; Superlative Chronometer; Not known
Functions (differs): Hours, minutes, seconds and date. 24 hours hand with time zone mechanism; Centre hour, minute and seconds hands
24-hour display on off-centre disc
Second time zone
Instantaneous annual calendar at 3 o'clock and rapid-setting of the date
Month display via 12 apertures around the circumference of the dial
Stop-seconds for precise time setting; Not known
Complications (differs): Date
GMT / second time zone; Annual calendar
Central seconds
Date
GMT / second time zone
Hacking (stop) seconds
Month; Chronograph

The watches side by side