PATEK PHILIPPE Patek Philippe & Co, movement and case no. 77121, circa 1887 A very fine and very early, keyless, hunting case, diamond-set 18K yellow gold pocket watch with white enamel dial, radial Roman numerals, outer minute track, blued steel Spade hands. Fitted with a mechanical movement, jeweled, keyless, cylinder escapement, monometallic balance, standing barrel with Maltese cross, hinged gold case back and cuvette, spring loaded front cover, mineral glass. Dial and case signed, movement and case numbered. Diam. 28 mm. Thickness 9 mm.