Men's 18K gold plated stainless steel double layered franco and mariner link necklace. 18K yellow goldplated stainless steel Lobster clasp Imported SIZE Franco chain length, about 30" Mariner chain length, about 24" Click here for a Guide to Jewelry & Watches. Center Core - M Jewelry/watches > Saks Off 5th > Barneys Warehouse. Anthony Jacobs.