REF.5054 is the most popular model in the 1990's. I think that the balance of the price movement of complexity and design reasons. In the current model is more cost-effective. Pete complication is Neptune the brain ムーブメントムーブメント beautiful Cal.240PS Nautilus, officer, original case, but open the Hunter case back cover only officer case and caseback, Patek's best finish is decorated. It is this specification is happy feelings. Good condition is a solid top.