18K Rose Gold Breitling Transocean Chronograph Unitime RB0510U0/A733. This time piece is equipped with Breitling Calibre 05 fully in-house movement and can show the time in all 24 time zones at once. you turn the crown forwards or backwards and it instantly corrects the local time. The watch is 46mm in diameter, white polar dial, is Automatic and has a 70 hour power reserve. Brown Crocodile Strap with 18K Rose Gold deployment Buckle. Serial#4221**