Watch tool - Oyster Style waterproof watch screw back case opener # 5537

img{max-width:100%} Watch Back Case Opener (Equivalent to Bergeon #5537) Designed for opening and fitting screw cases on oyster waterproof watches (Rolex and Tudor) High quality all metal construction Includes wrench and six grooved dies Storage box included Specifications Wrench length 7.5" Weight 12 Ounces Material Steel and aluminum Dies No 0: 18.50mmNo 1: 20.20mmNo 2: 22.50mmNo 3: 26.50mmNo 4: 28.30mmNo 5: 29.50mm Items Included One Oyster style watch case opener with six dies (NO. 5537) Payment, Shipping, and Returns Payment -- We accept Paypal and all major credit cards. Shipping -- We will ship your items within one business day of cleared payment. Return & exchange-- We accept 30-day returns upon receipt of item for full refund or exchange.