Patek Philippe Grand Complications Calibre Chronograph. Silver-tone platinum case with brown alligator leather strap and deployment clasp. Fixed platinum bezel. Analog salmon dial featuring leaf-style shape hands, Arabic numeral hour markers, tachymeter scale around the outer rim, perpetual calendar complication (including date/leap year/month/day/moon phase), small second function, three sub-dials for 60-second, 30-minute and moonphase/date displays, grand complications series. Movement: mechanical Q Hand Wound Calibre CH29-535 PS with 34 jewels, composed of 496 parts, beats at 28800 vph (approx. 5Hz), power reserve up to approx. 65 hours. Column wheel chronograph mechanism. Scratch resistant sapphire crystal. Screw-down crown and transparent case back. Swiss Made.