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Differs

Tudor Black Bay 687943A1A0NU

Shape (differs): Round; Round; Tonneau
Diameter (differs): 43 mm; 44 mm; 42.5 mm
Thickness (differs): 13.6 mm; 14.45 mm; 13.65 mm
Lug to lug: Not known; Not known; 44.5 mm
Lug width (differs): 22 mm; 22 mm; 20 mm
Material: Stainless steel; Stainless steel; Stainless steel
Finish: Polished and satin finish; Not known; Not known
Bezel: Unidirectional rotating; Unidirectional rotating; Unidirectional rotating
Bezel material: Stainless steel; Not known; Not known
Bezel insert: Black; Not known; Not known
Caseback (differs): Solid; Display (sapphire); Screw-down
Crystal (differs): Sapphire, Domed; Sapphire, Anti-reflective on both sides; Sapphire
Crown: Screw-down; Screw-down; Screw-down
Water resistance: 200 m; 200 m; 200 m
Helium escape valve: Not known; Not known; Yes

Calibre (differs): Tudor MT5601-U; Breitling 01; ETA 2824-2
Type: Automatic; Automatic; Automatic
Origin: In-house; In-house; Not known
Power reserve (differs): 70 h; 70 h; 38 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 26; 47; 25
Certification: METAS Master Chronometer; Not known; Not known
Functions (differs): Additional 24 hour hand (adjustable)
Chronometer
Date
Hours
Minutes
Seconds; 1/4th second, 30 minutes, 12 hours
Dial aperture; Hours, minutes, seconds
Date
Complications (differs): Date; Chronograph
Date
Small seconds; Date

Type (differs): Metal bracelet; Metal bracelet; Rubber strap
Name: Not known; Polished/brushed stainless steel Rouleaux bracelet; Not known
Material: Stainless steel; Stainless steel; Not known
Clasp: Not known; Not known; Folding clasp

The watches side by side