The Rolex Submariner Date 126613LB, nicknamed the “Bluesy,” is a striking dive watch crafted in Yellow Rolesor, a mix of stainless steel and 18ct yellow gold. This 2021 example features a 41 mm Oyster case fitted with a unidirectional bezel and a royal blue ceramic insert, giving the watch both strength and a distinct look. Its matching blue dial has large Chromalight hour markers and hands, filled with long-lasting luminescence for excellent readability. The watch is powered by Rolex’s Calibre 3235 automatic movement, offering around 70 hours of power reserve and certified precision. It comes as a complete full set with its original box, warranty card, booklets, and both Rolex tags, and remains in mint condition. On the wrist, the watch balances luxury and practicality, with the solid Yellow Rolesor Oyster bracelet providing both comfort and durability. The folding Oysterlock clasp with Glidelock extension allows for quick size adjustments, making it secure for both everyday wear and diving. Water resistance is guaranteed to 300 metres, supported by a sapphire crystal with Cyclops date lens. The dial’s deep blue tone shifts beautifully in the light, while the gold accents add warmth and presence. In mint condition, this Submariner retains sharp case lines and a clean bracelet, offering a modern yet timeless expression of Rolex’s most iconic dive watch.