Extremely Rare Illinois “Skyway” – Holy Grail for Collectors – $6,500 An exceptionally scarce and highly sought-after Illinois “Skyway” wristwatch, regarded by collectors as one of the top three holy grails of vintage Illinois timepieces. This watch remains completely original and unpolished, preserving its authentic character. The caseback shows evidence of past opening attempts, but otherwise, the case retains its sharp star-bezel details and factory engraving. The dial is all-original, featuring the iconic winged U.S. emblem, with light paint or dial bubbling near the 3 o’clock position. Specifications: Dial: paint blemish or bubbling near 3 o'clock position. Movement: Illinois 307, 17 jewels Case: Wadsworth 14K Gold Filled (14K G.F.) Back Engraving: “Gregory Sereseres – San Bernardino, Calif. – First Solo 6-9-34 Performance: Running strong at +55s/day, amplitude 210°, beat error 3.7 ms (see timegrapher photo) Condition: Great overall; no cleaning or restoration performed to preserve originality Service History: Unknown; buyer may wish to service for long-term use A truly historic piece, accompanied by provenance photos connecting it to Private Gregory Sereseres, San Bernardino, California — with documented military records included in the listing images. --- Seller Info: Over 4.5k verified sales on Whatnot under the username ChronosVault. Tracked shipping offered via FedEx or UPS — buyer’s choice. Accepting PayPal Goods & Services for secure transactions. --- Important Note: I do my best to disclose any visible issues, but please understand that I am not a watchmaker and cannot guarantee I will catch every mechanical or cosmetic concern. As with all vintage watches, no guarantees or warranties are implied, and this item is sold AS-IS with no returns. Please review all photos carefully and reach out with any questions or photo requests before purchasing. Reasonable offers will be considered.