The Rolex Submariner 126613LB is a stunning two-tone timepiece crafted from 18K yellow gold and Oystersteel. Featuring a 41mm case, Cerachrom blue bezel, and scratch-resistant sapphire crystal, this model offers a caliber 3235 movement with a 70-hour power reserve. Designed for both luxury and adventure, it boasts 300m water resistance and a Glidelock clasp for perfect sizing.