Can anyone tell me what model this Rolex is?

[mrT.]

Hey if you know what model this Rolex is please let me know, here are some more details to help identify it:

It is a ladies Rolex
On the front it says "Rolex"
On the back it says "14K Gold"
On the inside part of the back cover is the Rolex emblem as well as the inscription "EBx87," there is also a date inscribed very small and very faintly which I believe says "10/12/78"
On the mechanics inside the watch it says "17 Seventeen Jeweles Unadjusted"