The Breitling Premier B09 Chronograph 40, reference AB0930D31L1P1, features a 40mm stainless steel case with a thickness of 13.08mm. It houses the manually wound Breitling Manufacture Caliber B09, offering a power reserve of approximately 70 hours. The watch includes a chronograph function with 1/4th second and 30-minute counters. The dial is pistachio green with Arabic numerals, protected by a cambered sapphire crystal that is glareproofed on both sides. Water resistance is rated at 100 meters (10 bars). The timepiece is completed with a gold brown alligator leather strap and a stainless steel folding clasp. (breitling.com)