Rolex Datejust 178271

**Rolex Datejust Reference 178271** The reference 178271 represents Rolex's 31mm Datejust in steel and yellow gold configuration, produced from 2009 to 2020. This reference occupies the mid-size position within the Datejust range, offering a two-tone precious metal construction in the smaller case diameter. The 31mm case combines steel and yellow gold construction with a smooth bezel and sapphire crystal. Water resistance extends to 100 meters. The watch houses the caliber 3135 automatic movement, providing 48 hours of power reserve. The reference pairs with Rolex's Jubilee bracelet. This reference appeals to collectors seeking a precious metal Datejust in the more compact 31mm case size. The steel and gold combination provides the two-tone aesthetic within Rolex's mid-size offerings. The eleven-year production run from 2009 to 2020 places this reference within the contemporary Rolex catalog period.