This Premier B01 Chronograph 42 combines pure elegance and sophistication with its 18k red gold case. Featuring a bright silver dial with light contrasting subdials, this Premier B01 Chronograph 42 eloquently revives Breitling's luxurious red gold Premier chronographs of the 1940s. Chronograph functions: Column wheel mechanism. Central seconds counter hand. 30 minute counter sub-dial at 3 o'clock. Breitling in-house caliber B01, beats at 28, 800 vph, contains 41 jewels & has an approximate power reserve of 70 hours. 18K rose gold case, brushed & polished finished. Silver dial. Applied index hour markers. Fine printed minute/seconds & fractions of a seconds track. Small seconds sub-dial at 9 o'clock. Date window at 6 o'clock. Deployment Buckle