According to Toto, the basin depth is 20-1/2"
http://assets.nationalbuildersupply.com/ul_pdfs/SS-00290,%20LT542G,%20V.02%20(1).pdf">here is the spec sheet for this item. It shows that the overall size is 20-7/8" X 14-3/8".
Toto actually has a cross reference showing other manufacturers colors in comparison to their own. According to that chart, Biscuit most closely resembles Toto's Sedona Beige.
Pop up drains come with your faucet, not the sink.