Bergeon 5700 Watch Back Opener for Waterproof Watches

Temporarily Out of Stock

This is one of the best watch back openers made with professional quality components and ability to open any screw watch back without need for additional tools. Made to open screw open type waterproof watch backs it features an oversized torque handle giving this opener the power to open even the most stubborn watch backs.  It is made of cast in steel with a hardwood base and will give the professional watchmaker years of use. It includes four sets of non scratching watch holders and six sets of die fittings that will open a variety of watch backs as large as 60mm.

Opening Your Watch

The watch clamp/base is removable and made with vinyl holders and includes thumb screw to clamp onto your watch and holding it firmly and level before placing it onto the opener. The metal dies are placed into the top portion of the opener with small thumb screws and a side screw adjusts to fit width of the watch - all very visible and adjustable before you begin to turn the opener. The spring loaded top portion can be locked down onto the watch to prevent slipping or marring of the watch back and gives ample room to move the watch on and off the opener.


  • 2 chucks for cases with slots No 2835-A. for polygonal backs
  • 2 chucks for polygonal cases No 2835-B. for backs with holes
  • 2 chucks for cases with holes No 2835-C. for grooved cases
  • 2 chucks for grooved cases No 2835-D. for Aquastar cases
  • 2 chucks for "Aquastar" cases No 2835-F. for cases with curved sides
  • 2 chucks for cases with curved sides No 2835-E
  • 4 pairs of case-holding jawsNo 2835-E, reversible, in special synthetic material, lug widths: 9-11, 13-15, 17-19, 20-22mm
  • 1 Superior vice
  • 4 screws, to be fixed on the bench
  • Wooden stand: 9.8" x 3.75" inches (250 x 95 mm)
  • Total height: 12" inches  (300 mm)
  • Ø of the hand wheel: 5" inches (130 mm)
  • Size 11.16 X 10.09 X 6.02" Inches (284 X 256 X 151mm)
  • Die-cast frame. Sturdy hardwood base
  • Swiss Made



Click Here to Learn How to Open a Watch Back