Rolex Submariner 40 mm 116618LB Yellow Gold Blue

The Rolex Submariner is one of the most recognized and enduring watch designs in the world, having defined what a purpose-built dive watch looks like since its introduction in the 1950s. Over successive generations Rolex refined every element — case proportions, bezel insert material, bracelet engineering, and movement reliability — until the Submariner became the benchmark against which virtually every other sport watch is measured. The 116618LB represents the pinnacle expression of that lineage, clothing the beloved 40mm Submariner form in solid 18k yellow gold and dressing it in a striking blue colour scheme throughout.

The 40mm yellow gold case of the 116618LB is a statement in itself. Solid 18k yellow gold gives the watch a weight and warmth that stainless steel simply cannot replicate, and Rolex's in-house finishing — alternating brushed and polished surfaces on the Oyster case — ensures the metal catches the light from every angle. At 40mm the case sits squarely within the sweet spot of versatility, fitting a wide range of wrist sizes without feeling oversized, and the robust Oyster architecture provides 300 metres (1,000 feet) of water resistance, making this a genuinely capable dive watch despite its precious-metal construction.

The blue Cerachrom ceramic bezel insert is one of the defining visual elements of the 116618LB. Rolex developed its proprietary Cerachrom ceramic for its resistance to scratching and UV fading, meaning the vivid blue hue remains as intense years from now as it is today. The graduated blue dial beneath features applied hour markers and Rolex's signature Mercedes hands, all coated in luminescent material for legibility in low-light or underwater conditions. The combination of blue dial and blue ceramic bezel against the warm yellow gold case has made the 116618LB one of the most coveted references in the entire Submariner family.

Powering the watch is an automatic movement — Rolex's self-winding mechanical calibre — housed within the hermetically sealed Oyster case. Rolex movements are celebrated for their precision, durability, and low-maintenance reliability, and the Submariner line has always been engineered to deliver consistent performance whether worn daily or stored between uses. The solid-link 18k yellow gold Oyster bracelet completes the package, equipped with Rolex's Oysterlock safety clasp to keep the watch firmly on the wrist in any situation.

From a collector and investment standpoint, the all-gold Submariner in the blue configuration holds enduring appeal. The 116618LB occupies a coveted position in the market as a watch that bridges serious horology and high jewellery, capable of accompanying a business suit as naturally as it pairs with resort wear. Pre-owned examples in authentic, certified condition represent exceptional value compared to retail pricing, allowing discerning buyers to acquire a cornerstone luxury timepiece without the new-production wait or premium.

At Bizak & Co. every pre-owned Rolex is verified for authenticity before being listed for sale. This certified authentic used Rolex Submariner 116618LB is available to buy online now or to inspect by appointment. Our team is ready to answer questions, provide additional photographs, and guide you through a confident purchase — reach out to Bizak & Co. today and let us help you secure this exceptional yellow gold blue Submariner.