Xheyung, you might already know this, but for the benefit to those who don't;
Found this on the web :
18k white gold, diamond and lapis Patek Philippe dual time zone wristwatch, so-called “Gemini” wristwatch, Ref. 4404, circa 1970s, a fine and extremely rare, elongated cut-corner horizontal rectangular wristwatch made with two movements, two dials and a wide, integral 18K white gold Patek Philippe silk textured bracelet.
The 35mm x 23mm horizontal rectangular case has a case back with screws, diamond-set rounded bezel, two winding-crowns, flat-top sapphire crystal. The two pavé-set diamond dials, separated by two blue lapis lazuli triangles, black baton hands. The two movement are caliber 13,5-320, 20 jewels, manual wind.