Rolex presented their new Lady-Datejust at baselworld. It case with the two-tone silver and gold color. in deed, the Lady-Datejust was always a dainty 26MM, and this time Rolex decided it was time to increase the overall size just a tad. 
The new model pictured above shows the Lady-Datejust in EverRose Gold with stainless steel on a classic Rolex Jubilee bracelet.
The new model below shows the Yellow Gold and stainless 28MM Lady-Datejust in yellow gold with stainless steel on the timeless Rolex Oyster bracelet. Both models carry the Rolex Caliber 2236 movement, which offers a power reserve of 55 hours. 
All 28MM Lady-Datejust models also carry the new Rolex Superlative Chronometer Certification, which includes a 5 year international guarantee, with a performance standard of -2/+2 seconds per day, which is mote than twice of what is required for a standard COSC.
