ROLEX SUBMARINER 16610LV "FAT FOUR" What does "Fat Four" mean? The term "Fat Four" refers to the shape of the number "4" in the "40" on the green aluminum bezel insert: In this version, the top of the number 4 is flat and wide, giving it a distinct, "fat" appearance. This particular font style is unique to the very earliest batches of the 16610LV and was only used briefly at the start of production. Production Period Only produced in 2003/2004, the launch year of the 16610LV—created to celebrate the 50th anniversary of the Submariner. Found mostly in F-serial numbers Technical Specifications Feature Details Reference 16610LV Movement Rolex Caliber 3135 (automatic) Case Material 904L Stainless Steel Bezel Green Aluminum, "Fat Four" Dial Black, Maxi Dial Bracelet Oyster with SEL (solid end links) Crystal Sapphire, no AR coating
