This watch is also known as: 5055 5055Gor5055G-010 5055Gblk The famed maker of the ultimate luxury watch Patek Philippe does things the old fashioned way by hand and with care. Resolutely independent the firms timepieces are revered for their extremely fine finishes (even on parts no one but a watchmaker will ever see) and innovative and exclusive movements. Dress watches are the companys focus though its Nautilus and Aquanaut lines of sport models were among the first luxury sports watches made. Few firms can create from scratch. For Patek Philippe it is second nature.PATEK PHILIPPE REF. 5055G18K WHITE GOLD SELF-WINDING WRISTWATCH WITH SMALL SECONDS DATE MOON-PHASE DISPLAY AND POWER-RESERVE INDICATIONMOVEMENT NO. 3113113 CASE NO. 4086472 MANUFACTURED IN 2000Calibre 240164 Geneva Seal hallmarked 29 jewels Gyromax balance integrated 22k gold minirotor the black dial with luminescent hour markers small seconds analogue date with integrated moon-phase display power-reserve indication in two-part case screw-down transparent back 18k white gold PP deployant clasp case dial and movement signedDiameter: 37 mm.All this features make it an exotic timepiece.