2 New Watch Back Openers Water Proof Screw Back Watch Case Opener This is a new screw back watch case opener Opens and closes screw back water resistant watches without scratching Includes 12 patterned pins / grips, 4 sets in all, for a variety of case backs This is a replacement for the Jaxa wrench Measures approximately 5 1/2" Hinged Wooden Storage Case, measures 7 1/8" x 3 1/4" x 1 1/4" This adjustable case opener can open Bulova, Rolex, Movado, Gruen, Longines and Accutron screw type back waterproof watches. It comes with 4 types of pins (3 of each), round, flat, square, or toothed Watch Case Back Opener Knife This is a new case opener Configured to make opening certain cases easier, this opener is popular among many watchmakers Simply place the blade under the case back and twist It is approximately 3" long