PREMIER B15 DUOGRAPH 42

Premier watch .Mechanical hand-wound Approximately 70 hrs power reserve.Chronograph 1/4th second, 30 minutes Vibration 28,800v.p.h with 27 jewels. Case material Stainless Steel .Caseback Screwed in (sapphire crystal) with 100 m (330 ft) water resistance. Bezel Fixed Crown . Non screw-locked, two gaskets,integrated pushpiece Crystal Cambered sapphire, glareproofed both sides. Blue dial with Gold brown leather strap and a folding clasp.