Breitling Premier Chronograph Watch - 42mm Steel Case - Black Dial - Anthracite Nubuck Strap - A13315351B1X1 5905/1A001 beaded crown set with a

beaded crown set with a cabochon-shaped sapphire

it's an embodiment of precision

Humidity- and dust-protected only (not water-resistant)

Breitling 01 (Manufacture) movement

domed sapphire crystal

Breitling Premier Chronograph Watch - 42mm Steel Case - Black Dial - Anthracite Nubuck Strap - A13315351B1X1 5905/1A001 beaded crown set with a42. 00 mm stainless steel case, 13. 80 mm thick, non screw locked crown with two gaskets, cambered sapphire crystal with glareproof treatment on both sides, black dial, Breitling 13 self winding movement, approximately 48 hours of power reserve, anthracite nubuck strap, folding buckle. Water resistant to 100 m (330 ft).