The rehaut wasn't engraved before 2008
http://www.newturfers.com/vb/showthread.php?t=8171
Mark 1: Oval 'O', 'R' in 'Oyster' aligned with gap between left and right feet of 'R' in 'Rolex', '5 Ticks', Flat 4 (2003 Issue Models ONLY), From Y966xxx 19 September 2003 To F068XXX November 2003
Mark 1: Oval 'O', 'R' in 'Oyster' aligned with gap between left and right feet of 'R' in 'Rolex', '5 Ticks', Flat 4 (2004 Onwards) From F100000/F110000??? F Serial Late October 2004 To ???????
Mark 2: Oval 'O', 'R' in 'Oyster' aligned with gap between left and right feet of 'R' in 'Rolex', '5 Ticks', Pointed 4, From ??????? To F78XXXX 23 February 2005/F730XXX April 2005/F8XXXXX