This is the Tudor Black Bay Chrono (m79360n-0007) which features a 41mm stainless steel case, and a white dial with a black fabric strap. 

About the Tudor Black Bay Chrono 

• 41-mm steel case with polished and satin finish
• Black fabric strap with buckle
• Fixed 316L steel bezel with matte black anodized aluminum disc with tachymetric scale and silver markings
• Manufacture Caliber MT5813 (COSC) Self-winding mechanical movement with bidirectional rotor system
• Black with silver counters, domed Dial
• 316L steel screw-down pushers at 2 o'clock and 4 o'clock
• Domed sapphire crystal
• Waterproof to 200 m (660 ft)