The Breitling Superocean Heritage B01 Chronograph 42 AB0156361L1S1 is a 42mm stainless steel watch featuring a green dial and a matching green rubber strap. It is powered by the Breitling Manufacture Caliber 01, a self-winding mechanical movement with a power reserve of approximately 70 hours. The watch includes a unidirectional, ratcheted ceramic bezel and a cambered sapphire crystal that is glareproofed on both sides. Additional features include a chronograph function with 1/4th second and 30-minute counters, a date display at 6 o'clock, and water resistance up to 200 meters. The caseback is screwed in with a sapphire crystal, and the crown is screw-locked with two gaskets. The strap is secured with a stainless steel folding clasp.