Home > All Products > Watch Accessories (Tools) > Adjustable Three-Prong Watch Case Back Opener Tool with Interchangeable Bits
  • Adjustable three-prong watch case back opener tool
  • Interchangeable bits for three-prong watch case opener
  • Boxed three-prong watch opener variants
  • Blue three-prong watch opener with storage packaging
  • Silver three-prong case back opener with interchangeable bits
  • Silver opener in blue storage case
  • Silver adjustable three-prong watch opener
  • Silver three-prong opener presentation box
  • Blue watch case back opener with handle
  • Blue watch case back opener without handle
1/1
  • Adjustable three-prong watch case back opener tool
  • Interchangeable bits for three-prong watch case opener
  • Boxed three-prong watch opener variants
  • Blue three-prong watch opener with storage packaging
  • Silver three-prong case back opener with interchangeable bits
  • Silver opener in blue storage case
  • Silver adjustable three-prong watch opener
  • Silver three-prong opener presentation box
  • Blue watch case back opener with handle
  • Blue watch case back opener without handle

Adjustable Three-Prong Watch Case Back Opener Tool with Interchangeable Bits

SKU: FM-TOOL-533271932756-34-NC

An adjustable three-prong opener designed for screw-down watch case backs. The tool includes interchangeable bits and an easy-grip handle for controlled adjustment during battery replacement and watch servicing. Multiple sizes and packaging options are available.

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  • Option:
    34 mm / No Case
    34 mm / Blue Storage Case
    55 mm / No Case
    55 mm / Presentation Box
    Premium B / Presentation Box
    55 mm / Black / No Handle
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  • Adjustable three-prong watch case back opener tool
  • Interchangeable bits for three-prong watch case opener
  • Boxed three-prong watch opener variants
  • Blue three-prong watch opener with storage packaging
  • Silver three-prong case back opener with interchangeable bits
  • Silver opener in blue storage case
  • Silver adjustable three-prong watch opener
  • Silver three-prong opener presentation box
  • Blue watch case back opener with handle
  • Blue watch case back opener without handle
  • Adjustable three-prong watch case back opener tool
  • Interchangeable bits for three-prong watch case opener
  • Boxed three-prong watch opener variants
  • Blue three-prong watch opener with storage packaging
  • Silver three-prong case back opener with interchangeable bits
  • Silver opener in blue storage case
  • Silver adjustable three-prong watch opener
  • Silver three-prong opener presentation box
  • Blue watch case back opener with handle
  • Blue watch case back opener without handle
1/1
  • Adjustable three-prong watch case back opener tool
  • Interchangeable bits for three-prong watch case opener
  • Boxed three-prong watch opener variants
  • Blue three-prong watch opener with storage packaging
  • Silver three-prong case back opener with interchangeable bits
  • Silver opener in blue storage case
  • Silver adjustable three-prong watch opener
  • Silver three-prong opener presentation box
  • Blue watch case back opener with handle
  • Blue watch case back opener without handle
  • Description

Adjustable Three-Prong Watch Case Back Opener

Designed for screw-down watch case backs, this adjustable opener uses three contact points to provide balanced engagement. Interchangeable bits help match different case-back notch profiles, while the knurled handle supports controlled adjustment during battery replacement and general watch servicing.

Key Features

  • Adjustable three-prong design for screw-down watch case backs
  • Interchangeable bits for different case-back notch profiles
  • Knurled handle for a secure grip
  • Multiple tool sizes and storage-case options
  • Suitable for watch battery replacement and general watch servicing

How to Use

  1. Secure the watch in a suitable case holder.
  2. Select the bits that match the case-back notches.
  3. Adjust all three prongs so they contact the notches evenly.
  4. Apply steady, controlled pressure and turn the opener slowly.

Important Notes

  • For screw-down case backs only; not intended for snap-on or press-fit backs.
  • Incorrect positioning or excessive force may damage the watch case.
  • Professional use or prior watch-repair experience is recommended.
  • Product appearance and included accessories vary by selected option.
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