Did you know that the Patek Philippe ref. 5035 was the worlds first Annual Calendar wristwatch? This 18ct yellow gold 37mm gentlemen's watch, is in superb condition and features a beautifully arranged crisp white roman dial with luminous hands for improved legibility. The sapphire case-back displays the technically ground-breaking 315 S QA self-winding annual calendar movement which requires adjustment just once a year. Fitted to a brand new brown Patek alligator strap, and fastened by its 18ct yellow gold folding clasp. Naturally, for such an important watch, it is accomapanied by a polished piano wood Patek box, instruction booklets & international Patek Philippe warranty dated Dec 2000.