Steel Vacheron Constantin Overseas Chronograph 49150/000A-9745 Automatic Vacheron Constantin calibre 1137 movement, beats at 21,600 vph, contains 37 jewels & has an approximate power reserve 40 hours. Case diameter 42mm. Water resistant to 150 meters. Blue dial with baton hour markers and outer tracker minute markers, date display at the 12 position. 1/5 second center sweep chronograph, Minute Totalizer at 3 o’clock (30), Hour Totalizer at 9 o’clock (12) and small running seconds at 6 o’clock. Anti-magnetic shielded movement. Blue rubber strap with steel double folding clasp. Box and papers dated November 2016. Our reference S20970.