this is the first jumbo version of the aquanaut in steel, produced from 1997 on and discontinued in 2006. Our mint and unscratched example from 2005 comes with a new uncut rubberband in full length and the patek steelclasp , it´s original inner and outer box and and the original Patek Philippe certificate. the 38mm case is carrying the 315sc movement with matching numbers and the “seal of geneva” engraving. it winds smoothly and runs absolutely exact. dial and hands are in 100% perfect condition. If you were ever looking for an absolute top example of the early aquanaut jumbo, then this is the one to go for.