Men's Breitling Bentley Chronograph Watch 6.75 A4436212/G753 - Automatic winding chronograph with slide-rule functionality for airborne calculations like fuel consumption and climbing times. Stainless steel case with embossed Bentley wheel shape on case back (48mm diameter). Bronze dial with stick markers, hour minute and seconds recorders, and date. Sweep had revolves every 30 seconds (rather than 60) for greater accuracy. Stainless steel Breitling bracelet with deployant clasp. Unused with Breitling box and papers.