Breitling Superocean Heritage B01 Chronograph 44 AB0162121C1A1, self-winding mechanical movement in a Stainless steel and screwed in (sapphire crystal) caseback. Unidirectional bezel, ratcheted. Screw-locked crown, two gaskets. Cambered sapphire crystal, glare-proofed both sides. Powered by Breitling 01 (Manufacture) caliber and with power reserve approx. 70 hrs. Water resistance up to 200 m (660 ft)

Chronograph

1/4th second, 30 minutes, 12 hours