Under Rolex international warranty until August 2020. Just back from a Rolex service and in perfect condition, this medium size 31mm Rolex Datejust is the perfect everyday lady's stainless steel watch. Fitted to the classic Jubilee bracelet, and elegant yet understated white baton luminous dial, this sapphire glass mid-size 178240 is powered by the trusty automatic 2235 calibre movement, and is waterproof to 100m.