Patek Philippe Limited Edition "Bauer" World Time 120th Anniversary Reference 5130G-021, a white gold automatic wristwatch with world time

This is an Extremely Rare & Highly Collectible Patek Philippe World Time 5130G-021 "Bauer" Bogota Boutique 120th Anniversary Limited Edition of Only 25 Pieces with a sumptuous Silver "Décor Soleil Argent" Dial. This watch is a double signed limited edition which was allocated to top collectors and sold out before they were even delivered. 

It has an alligator leather strap with an 18kt White Gold foldover deployant clasp, and a scratch-resistant sapphire crystal. It includes a screw-down exhibition sapphire case back and a protected crown. There is a push-button on the band at 10 o'clock to activate the settable discs with the different time zones, as well as the 24 hours and jump-type time setting. The 39.5mm diameter solid two-body case, flat bezel, and downturned lugs are polished/brushed. The dial is silver guilloche with a sunburst pattern in the center, with applied black dart hour marker indexes, oxidized gold alpha hands with a center sweep seconds hand, and a historical ring hour hand referencing the designs of the 1930s. An outer ring 24-hour time zone is split into nocturnal and diurnal hemispheres, with the second time zone registering at the 12 o'clock position. The outermost revolving brushed silver ring dial is engraved with the names of 24 global locations. It's water-resistant to 25 meters/80 feet, and it has a 48-hour power reserve at full wind. The 10mm thick case, dial, and movement are all signed