[Introduction] This Rado Balboa is a striking example of the brand’s pioneering spirit in watch design and material science. It features a distinctive scratch-resistant tungsten carbide bezel that retains its mirror-like luster decades after production. The watch is defined by its vibrant sunburst brown dial, which radiates from the center and is complemented by bold, faceted indices and the signature rotating Rado anchor logo. Paired with an integrated stainless steel bracelet, this automatic timepiece captures the bold, futuristic aesthetic that made Rado a leader in mid-century Swiss luxury. [Historical & Collector Value] The Balboa series is a cousin to the famous Diastar, sharing the same revolutionary philosophy of creating "the world's first scratch-proof watch." Collectors highly value the Balboa for its unique case geometries and experimental dial colors that were often exclusive to the Asian market. This specific reference features the "Water Sealed" caseback adorned with the iconic triple seahorse emblem, a symbol of durability and Swiss engineering from Rado's classic era. The combination of a high-tech ceramic-metal bezel and a reliable mechanical automatic movement makes this a significant piece for those who appreciate the intersection of industrial design and horology. Specifications ◇Brand: Rado ◇Model: Balboa ◇Reference: D58922A ◇Case size: 28mm ◇Movement: Automatic ◇Case material: Tungsten Carbide / Stainless Steel ◇Dial: Sunburst Brown ◇Functions: Date, Rotating Anchor Logo ◇Bracelet / Strap: Stainless Steel ◇Clasp: Folding clasp ◇Country of manufacture: Switzerland ・Condition The watch is in clean overall condition. The tungsten carbide bezel remains exceptionally sharp and glossy, showcasing its scratch-resistant properties. Minor signs of age and normal wear are present on the stainless steel caseback and bracelet. The sunburst brown dial is well-preserved with a beautiful luster. ・Service History The watch has been checked for basic operation and is functioning at the time of listing. As with any vintage mechanical timepiece, future maintenance may be required depending on usage and the buyer’s standards to ensure optimal long-term performance. ・Shipping & Customs The item will be carefully packed and shipped from Japan. International shipping is available. Please note that any customs duties, taxes, or import fees are the sole responsibility of the buyer.