Patek Philippe. A very fine PT950 platinum manual wind chronograph wristwatch
Ref. 5070P, Movement no. 3715355, Circa 2008
24-jewel, Cal. CH 27-70 movement, adjusted to heat, cold, isochronisms and 8 positions, monometallic balance, straight line lever escapement, shock protection, self-compensating balance spring, blue dial with applied PT950 platinum Arabic numerals, outer chapter ring register for tachometer and seconds, subsidiary dial for seconds at 9 o'clock, 30-minute chronograph register at 3 o'clock, PT950 platinum minute, hour and chronograph hands, heavy polished PT950 platinum case, crown and pushers, a round brilliant diamond set on case band at 6 o'clock, sapphire crystal, screw-in display case back, blue leather strap with PT950 platinum folding buckle, together with certificate, case, dial and movement signed 42mm.