The Breitling Premier B15 Duograph 42 AB1510171C1P1 is a stainless steel timepiece featuring a 42 mm case and a blue dial. It is powered by the manually wound Breitling Manufacture Caliber B15, offering a power reserve of approximately 70 hours. The watch includes a split-seconds chronograph function, allowing measurement of two elapsed times simultaneously. Additional features comprise a tachymeter scale, a cambered sapphire crystal with anti-reflective coating, and water resistance up to 100 meters. The timepiece is complemented by a gold brown alligator leather strap with a stainless steel folding clasp. (breitling.com)