Portuguese Chrono SS (unchanged in that time IIRC)
1999 3275
2003 3670
2012 5500 (less than double in 13 years)
Aquatimer SS bracelet (updated twice since 1999)
1999 2525
2003 2530 (same version as 1999)
2012 4150
Big Pilot
2003 7100
2012 10500 (price increased a couple of times recently).
JLC Master Geographic SS strap
2003 5085
2012 8050 (essentially the same model)
JLC Ultra Thin SS Strap
2003 2795
2012 4650
Also I've got some old WOS magazines from around the same time.
AP Royal Oak Chrono
2003 9100
2012 16400 (slightly different model)
AP ROO Chrono rubber bezel
2003 9970
2012 18000
Clearly JLC and IWC haven't even managed to double their prices since 1999. Compare this with a Sub Date, which was about £2100 in 1999, Rolex have nearly tripled their prices in the same time. AP similarly haven't made as much progress as Rolex.