18K Solid Gold Ref 4603.21 De Ville Prestige Tonneau Chronometer. These were only made for three years from 1997 to 2000. Exceptional like NOS condition with only some very slight marks from storage. The Omega strap is unworn with only the tiniest of marks on the anti-reflective sapphire crystal (when viewed with a loupe). Original inner and outer boxes, inner box shows typical Omega "crappy quality" pealing, open papers as well. Heavy 18k solid gold case shows only a few tiny nicks on the bezel. 23-jewel automatic chronometer caliber 1120 movement. Not serviced while in my possession but keeping good time. 31-mm not including the crown x 41.4-mm lug tip to lug tip. $2500.00, PayPal and US shipping included, international shipping OK, cost by location.- Offers considered.