JLC Grande Reverso 101, reference 300.64.30. According to JLC's official website:
"A dream-like universe surrounds the smallest mechanical movement in the world. Illuminated by the fire of the stones, Jaeger-LeCoultre Calibre 101 floats freely at the heart of the largest Reverso case in a fairytale landscape of snow-set diamonds."
Of course the XGT is no longer the largest Reverso case. It has been replaced by Squadra.
I can't find a better picture. But it looked stunning in JLC's 2006/2007 catelog. My question is, how many ladies can wear a watch this big and presumably heavy (it is in platinum).