Patek Philippe. An 18k Gold Wristwatch with Center Seconds Signed Patek Philippe, Genève, Ref. 2508, Movement No. 702'820, Case No. 676'390, Manufactured in 1953Cal. 27 SC mechanical jewelled movement, metal dust cover, gilt dial, applied gold dagger and square numerals, center seconds, circular water-resistant-type case, screw back, case, dial, and movement signed35mm diam.