This is the Accutron II Chronograph, a model from Bolova's SNORKEL diver's collection. Its 44mm case is in Stainless steel case with either a silver or grey IP finish.
Divers features include: a curved mineral glass, a black or grey dial with either a yellow or orange accented inner rotating bezel, a screwdown caseback and crown, and a bracelet with a double-press deployant divers closure. It has a water-resistance of 200m.
It is powered by Bulova's exclusive high performance quartz movement with a frequency of 262 kHz for unparalleled accuracy and six-hand calendar chronograph function.
Its suggested retail price is 650USD Steel, 750USD PVD.