Breitling Montbrillant Navitimer A413380

Breitling Montbrillant Navitimer A413380. 38 mm steel casing with a water resistance of 30 meters. Automatic movement  with a power reserve of 42 hours. Sapphire crystal. Silver dial with applied dagger hour markers. Luminous hands. Central chronograph hand.  Featuring  3 sub dials: 30 minutes, 60 seconds, 12 hours. Bi-directional slide rule bezel is steel.  Breitling’s “slide-rule” bezel was originally used by pilots to perform a range of calculations including speed, time and distance. Upon a steel bracelet with a fold clasp in a steel finish. Complete with its box and papers dated November 2007,   serviced in 2013.