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Differs

Tudor Black Bay 687943A1A0NU

Shape: Round; Round; Round
Diameter (differs): 44 mm; 43 mm; 44 mm
Thickness (differs): 12.17 mm; 13.6 mm; 15.51 mm
Lug width (differs): 22.05 mm; 22 mm; 22 mm
Material: Stainless steel; Stainless steel; Stainless steel
Finish: Not known; Polished and satin finish; Not known
Bezel: Unidirectional rotating; Unidirectional rotating; Unidirectional rotating
Bezel material: Not known; Stainless steel; Not known
Bezel insert: Not known; Black; Not known
Caseback (differs): Display (sapphire); Solid; Display (sapphire)
Crystal (differs): Sapphire; Sapphire, Domed; Sapphire, Domed, Anti-reflective on both sides
Crown: Screw-down; Screw-down; Screw-down
Water resistance: 200 m; 200 m; 200 m

Calibre (differs): Breitling B31; Tudor MT5601-U; Breitling 01
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; In-house
Power reserve (differs): 78 h; 70 h; 70 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 26; 26; 47
Certification: Not known; METAS Master Chronometer; Not known
Functions (differs): Dial aperture; Additional 24 hour hand (adjustable)
Chronometer
Date
Hours
Minutes
Seconds; 1/4th second, 30 minutes, 12 hours
Dial aperture
Complications (differs): Date; Date; Chronograph
Date
Small seconds

Type (differs): Rubber strap; Metal bracelet; Rubber strap
Name (differs): Green mesh rubber strap; Not known; Black mesh rubber strap
Material: Not known; Stainless steel; Not known
Clasp: Folding clasp, Stainless steel; Not known; Folding clasp, Stainless steel
Strap colour (differs): Green; Not known; Black

The watches side by side