6 New. Watch Case Opener fits Rolex, Screwback Case Opener & Battery GuidesWatch Case Opener fits Rolex This is a new waterproof watch case closer and opener. It is designed for waterproof Rolex oyster cases. Six knurled rings accurately interlock with the edges on genuine Rolex cases.You receive: One knurled ring measuring approximately 18.5 mm in diameter. One knurled ring measuring approximately 20.5 mm in diameter. One knurled ring measuring approximately 22.5 mm in diameter. One knurled ring measuring approximately 26.5 mm in diameter. One knurled ring measuring approximately 28.5 mm in diameter. One knurled ring measuring approximately 29.5 mm in diameterScrewback Case Opener. This is a new screwback case opener. Adjustable tempered pins for easy use on screwback water resistant cases. Tips adjust from 7/16" to 2 1/8". Its compact size makes it very convenientSuction-type Case Opener. This is a new case opener. It is great for lifting the case back off of screwback and waterproof watches after it has been loosened. The rubber top will not scratch cases or crystals. Twisting motion applies suction to the case to open itEnergizer Cross Reference Guide. This is a new Energizer cross reference guide. Brand Conversion Tables. Specifications & Cross Reference (lists chemical system, drain, voltage and dimensions)Energizer Watch Battery Replacement Guide. This is a new Energizer watch battery replacement guide. Simple instructions for Snap Back, Hatch Back and Screw Back watchesEveready Battery Size Checker. This is a new Eveready battery size checker. Easy to use! Just slide a battery through the slot for fast identification.