bell & ross br01-96

Hi everyone, its been ages since i posted on this site - I have a major dilemma, I have a 45mm Planet Ocean which is 6 yrs old, I was looking to sell it but have been offered a Bell & Ross BR01-96 Grande Date as a straight swap... what do i do. Clearly the Omega is worth so much more...or is it...

Bell & Ross BR01-96 Big Date SS Black Face Just back from service crystal has been replaced, everything is in working order Comes with everything all boxes and paperwork warranty is still valid until January 2011 watch is in Excellent condition (according to Timezone Grading system) asking...