If he knows NOTHING about watches, get them to Fellows auction house in Birmingham. Prices still go daft there - I can't remember the last time I picked anything up at what I consider under value. The seller fees are pretty high but they will describe the watches correctly, present them beautifully and get top dollar for them.

None of those are money to retire on, but combined your friend has really nice lump of cash coming in.

My fave is the square Omega Dynamic. Not the most valuable, maybe 500 quid, but its a watch you just don't see very often.