Offered in this auction by Second Vintage This elegant vintage Omega ladies' timepiece is a stunning example of mid-century design, distinguished by its spectacular multi-faceted prism-cut crystal and delicate proportions. Crafted in stainless steel, this petite 17mm watch encapsulates the refined aesthetic of 1966 horology, offering a beautiful interplay of light and mechanical precision powered by Omega's esteemed Caliber 484 manual-wind movement. Brand: Omega Reference Number: 511.166 Serial Number: 24519618 Movement: Omega Caliber 484, 17 Jewels, Manual Wind Dial: Silver sunburst with applied indices, exceptionally clean and well-preserved Case Size: 17 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1966 Condition: Excellent vintage condition with outstanding dial preservation Dial and Hands The dial is a beautiful silver sunburst, radiating from the center and catching the light brilliantly. It features applied silver-tone indices with black inserts, complemented by a prominently applied Omega logo at twelve o'clock. The typography is crisp, with a serif "OMEGA" print and "SWISS MADE" clearly visible at the six o'clock position. The hands are matching black baton style, providing excellent legibility against the bright silver background. Thorough inspection reveals the dial is exceptionally well-preserved, remaining clean and free of visible spotting, stains, or print loss, representing a stunningly pristine vintage presentation. Case and Crystal The 17mm stainless steel case features a polished finish with sharp, angular lugs that retain their factory profile and crisp edges. The case flanks are clean, showing only light, honest handling marks consistent with careful vintage wear. The snap-on caseback has a subtle brushed finish and is fully hallmarked internally with the reference 511.166. A standout feature of this timepiece is its highly faceted, prism-cut crystal, which acts as a geometric light-catching frame around the dial, creating a brilliant, jewelry-like optical effect. The crystal is in excellent condition, allowing a clear and striking view of the dial. The watch is fitted with a signed Omega scalloped crown. Movement Inside the case beats the Omega Caliber 484, a manual-wind mechanical movement featuring 17 jewels. The movement is beautifully finished with Omega's signature copper-toned plating, which remains vibrant and remarkably clean. Close inspection of the movement reveals crisp engravings, including the caliber marking 484 and the serial number 24519618. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. The timegrapher results indicate a performance of +15 to +19 seconds per day. Strap The watch is fitted with a period-correct black leather strap with tonal stitching, perfectly complementing the classic and elegant aesthetic of the silver dial and steel case. Condition This Omega is presented in excellent vintage condition. The case remains sharp with well-defined lugs and only minor, age-appropriate surface wear. The standout silver sunburst dial is flawlessly preserved, showing no signs of moisture damage or discoloration. The multi-faceted prism-cut crystal is intact and highly attractive, while the beautifully copper-plated movement remains exceptionally clean and well-maintained. Dimensions Case Size: 17 mm (excluding the crown) Remarks A beautifully preserved ladies' Omega that perfectly bridges the gap between a precision timepiece and a piece of fine vintage jewelry, highlighted by its mesmerizing multi-faceted prism crystal and pristine dial. History Throughout the mid-20th century, Omega dedicated substantial resources to crafting elegant, high-precision timepieces for women. Unlike many brands that relied on third-party movements for their smaller watches, Omega developed dedicated, in-house miniature calibers like the 484 to ensure their ladies' collections met the same exacting chronometric standards as their men's lines. Watches like this reference 511.166 reflect an era when mechanical sophistication and delicate, jewelry-inspired design were seamlessly integrated. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and very securely packaged, and shipped with tracking and insurance for your peace of mind. We ship via fast express service, with typical delivery in 1–4 business days (destination dependent). Note that with vintage watches, minor signs of wear, aging, or imperfections may be present and are considered normal for watches of this age. Please review all photos carefully before bidding. We strive to photograph each watch from multiple angles for the most accurate representation. The photos form an important part of the description. If there are any concerns of functionality or defects after delivery, make sure to contact us within 3 days of receiving the watch so we can assist you. As with all vintage watches, water resistance is not guaranteed. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: OME-OXX-0027