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Differs

Longines Spirit Zulu TimeL3.812.4.53

Longines Spirit Zulu TimeL3.812.4.50

Shape: Round; Not known; Round
Diameter: 42 mm; 42 mm; 42 mm
Thickness (differs): 14.1 mm; 15.25 mm; 14.1 mm
Lug to lug: 49.4 mm; Not known; 49.4 mm
Lug width (differs): 22 mm; 20 mm; 22 mm
Material: Stainless steel; Stainless steel; Stainless steel
Bezel: Bidirectional rotating; Bidirectional rotating; Bidirectional rotating
Caseback (differs): Solid; Screw-down; Solid
Crystal (differs): Sapphire, Anti-reflective on both sides; Sapphire, Domed, Anti-reflective on both sides; Sapphire, Anti-reflective on both sides
Crown (differs): Screw-down; Push-pull; Screw-down
Water resistance: 100 m; 100 m; 100 m
Weight (differs): 112.9 g; Not known; 164 g

Calibre (differs): Longines L844.4; Breitling Gallet 23; Longines L844.4
Type: Automatic; Automatic; Automatic
Power reserve (differs): 72 h; 65 h; 72 h
Frequency (differs): 25,200 vph (3.5 Hz); 28,800 vph (4 Hz); 25,200 vph (3.5 Hz)
Jewels: 21; Not known; 21
Certification: COSC; Not known; COSC
Functions: Hours, minutes, seconds and date. 24 hours hand with time zone mechanism; Not known; Hours, minutes, seconds and date. 24 hours hand with time zone mechanism
Complications (differs): Date
GMT / second time zone; Chronograph; Date
GMT / second time zone

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