Side by side

Differs

Longines Spirit FlybackL3.821.4.53

Shape: Round; Round; Round
Diameter: 42 mm; 42 mm; 42 mm
Thickness (differs): 13.6 mm; 17 mm; 15.35 mm
Lug to lug: Not known; 49.5 mm; Not known
Lug width (differs): 22.05 mm; 22 mm; 22 mm
Material: Stainless steel; Stainless steel; Stainless steel
Bezel (differs): Fixed; Bidirectional rotating; Fixed
Caseback: Display (sapphire); Display (sapphire); Display (sapphire)
Crystal (differs): Sapphire, Domed, Anti-reflective on both sides; Sapphire, Anti-reflective on both sides; Sapphire, Domed, Anti-reflective on both sides
Crown (differs): Push-pull; Screw-down; Push-pull
Water resistance: 100 m; 100 m; 100 m
Weight: Not known; 127.7 g; Not known

Calibre (differs): Breitling 01; Longines L791.4; Breitling B15
Type (differs): Automatic; Automatic; Manual winding
Origin: In-house; Not known; In-house
Power reserve (differs): 70 h; 68 h; 70 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 41; 28; 27
Certification: Not known; COSC; Not known
Functions (differs): 1/4th second, 30 minutes
Dial aperture; Hours, minutes, small seconds at 9 o'clock
Chronograph mechanism: central 60 seconds hand and 30 minutes counter at 3 o'clock; 1/4th second, 30 minutes
Complications (differs): Chronograph
Date
Small seconds; Chronograph
Flyback chronograph
Small seconds; Chronograph
Small seconds
Split-seconds (rattrapante) chronograph

Colour (differs): Blue; Black; Blue
Pattern: Sunburst; Sunburst; Sunburst
Indices (differs): Arabic numerals; Applied, Arabic numerals; Arabic numerals
Hands (differs): Syringe; Baton; Syringe
Lume: Not known; Super-LumiNova; Not known

Type: Leather strap; Leather strap; Leather strap
Name (differs): Blue alligator leather strap; Not known; Gold brown alligator leather strap
Material: Not known; Stainless steel; Not known
Clasp (differs): Folding clasp, Stainless steel; Folding clasp; Folding clasp, Stainless steel
Strap colour (differs): Blue; Brown; Gold brown

The watches side by side