{"product_id":"rolex-cosmograph-daytona-40-mm-126503wso","title":"Rolex Cosmograph Daytona 40 mm 126503WSO Steel\/Yellow Gold Luminous","description":"\u003cp\u003eThe Rolex Cosmograph Daytona reference 126503WSO is a 40mm two-tone sports chronograph crafted in Oystersteel and 18k yellow gold Rolesor, featuring a luminous dial and the brand's signature screw-down bezel. This celebrated reference pairs the racing-inspired Daytona silhouette with the prestige of precious metal accents, making it one of the most sought-after references in the modern Daytona lineup.\u003c\/p\u003e\n\u003cp\u003eThe 126503WSO stands out for its seamless blend of sporty durability and luxury refinement — a combination that commands attention on the wrist and strong demand on the secondary market. Contact Bizak \u0026amp; Co. today to inquire about availability, pricing, and purchasing this iconic Daytona reference online.\u003c\/p\u003e\n\u003cp\u003eCompare it across \u003ca href=\"\/collections\/rolex-cosmograph-daytona\"\u003eevery Cosmograph Daytona reference we carry\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/rolex\"\u003eRolex collection\u003c\/a\u003e at Bizak \u0026amp; Co.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuy this Cosmograph Daytona, trade in your current watch, or sell us yours.\u003c\/strong\u003e Contact Bizak \u0026amp; Co. to make an offer or request a fair-market valuation.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What makes the Rolex Cosmograph Daytona 126503WSO special?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 126503WSO is special for its two-tone Rolesor construction — combining Oystersteel and 18k yellow gold — which gives this 40mm chronograph a distinctive luxury-sport character that the all-steel or all-gold versions cannot replicate. Its luminous dial and screw-down bezel reinforce its credentials as both a serious instrument and a collectible icon. It is consistently one of the most in-demand references in the modern Daytona lineup.\"}},{\"@type\":\"Question\",\"name\":\"What movement powers the Rolex Daytona 126503WSO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Daytona 126503WSO is powered by a Rolex in-house automatic self-winding movement, as is standard for this generation of the Cosmograph Daytona. Rolex's proprietary calibers in the current Daytona are celebrated for exceptional reliability, precision, and chronometric performance. For confirmed technical specifications, we recommend contacting Bizak \u0026 Co. or consulting official Rolex documentation.\"}},{\"@type\":\"Question\",\"name\":\"What is the case size of the Rolex Daytona 126503WSO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Rolex Cosmograph Daytona 126503WSO features a 40mm case, the classic and enduring size that has defined the Daytona collection for decades. This diameter strikes an ideal balance between presence and wearability, fitting a wide range of wrist sizes comfortably. The case is crafted in the two-tone Oystersteel and 18k yellow gold Rolesor combination.\"}},{\"@type\":\"Question\",\"name\":\"Is the Rolex Daytona 126503WSO suitable for everyday wear?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — the Rolex Cosmograph Daytona is engineered for durability and daily use, with the robust Oystersteel and yellow gold Rolesor case, screw-down bezel, and Oyster bracelet all contributing to a watch built to withstand regular wear. Its luminous dial ensures readability in varied lighting, from the office to outdoor settings. The Daytona's blend of sport and luxury also makes it versatile enough for formal occasions.\"}},{\"@type\":\"Question\",\"name\":\"What is the dial and case material of the 126503WSO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Rolex Cosmograph Daytona 126503WSO features a luminous dial paired with a two-tone Rolesor case and bracelet in Oystersteel and 18k yellow gold. The Rolesor combination is one of Rolex's most storied material pairings, lending warmth and distinction to what is otherwise a highly functional sports chronograph. The screw-down bezel completes the aesthetic, adding structural definition to the 40mm case.\"}},{\"@type\":\"Question\",\"name\":\"How can I buy the Rolex Cosmograph Daytona 126503WSO from Bizak \u0026 Co.?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"You can purchase or inquire about the Rolex Cosmograph Daytona 126503WSO directly through Bizak \u0026 Co. at bizakandco.com, where our team of specialists is on hand to assist with pricing, availability, and any questions about this reference. Please note that Bizak \u0026 Co. is not an authorized Rolex dealer, and all trademarks belong to Rolex SA. We invite you to contact us to discuss this exceptional two-tone Daytona and explore secure purchasing options.\"}}]}\u003c\/script\u003e","brand":"Rolex","offers":[{"title":"Default Title","offer_id":48859173880043,"sku":"126503WSO","price":24179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/8688\/7147\/files\/126503WSO_36dba1b8-ecc8-4634-8e86-0c9293f008a3.jpg?v=1781358312","url":"https:\/\/bizakandco.com\/products\/rolex-cosmograph-daytona-40-mm-126503wso","provider":"Bizak \u0026 Co.","version":"1.0","type":"link"}