The Rolex Datejust 41 is an oversized variation of Rolex' iconic Datejust model, replacing the relatively short-lived Datejust II. It was introduced in 2016 for the Rolesor (two-tone) models, and 2017 for the stainless steel variations. As indicated in the name, the case measures 41mm across. It houses Rolex' caliber 3235 movement, which features a 70-hour power reserve and a Chronergy escapement. As customary with the Datejust family, the Datejust 41 is available in a range of configurations.Reference 126331 has a stainless steel case paired with an Everose fluted bezel. It is fitted with either an Oyster or Jubilee bracelet.