HistoricTimekeepers Restoration Services and Supplies

Firefox users can right click>view image for full screen views (Chrome not so much)

 

 

 

HTI Main Page
Up

 

 

 

Popular Highlights

 

Notes for Young Watchmakers

HTI Approach to Service

Microscopes in Watchmaking

When only a watchmaker will do

The 37500 Contract Prototype

Restoration of Omega Jump Seconds Clock

Shop Tour

Photo Series Index Page

Warbird Clocks for Sale

Equipment for Sale

 

 

 

 

 

 

 

 

 

Setting a Center Jewel



Newly made center jewel setting
Often a watch comes in with a broken or cracked jewel.  A broken or chipped jewel will cut the pivot, a cracked jewel will wick the oil away from the pivot creating wear.  If the watch uses friction set jewels, the repair is straightforward and easy.  If it is an American railroad watch, a replacement bezel set jewel can likely be obtained.  But there are a number of pieces that do not fall into either category.  Some will replace the broken jewel with a modern friction jewel, it works but the piece has been altered.  This series demonstrates the procedure for making a bezel set center jewel using a Clement Swing Tailstock.

  Press out the broken jewel and setting.

The Swing Tailstock is not necessary but it allows greater control and repeatability.


Facing the brass setting blank.

 

 

 


 

 

Boring the seat for the jewel.

 

 

 

 

 

 

 

 


Checking the fit of the new jewel in the jewel seat of the setting.

 

 

 

 

 

 

 

 


The bored jewel seat.

 

 

 

 

 

 

 


 

 

 

.

 

 

 

 

The next two photos show the bezel wall being cut.

 

These two shots show the jewel being installed into the setting.

 

Setting is turned to fit the plate.

Setting has been parted from the rod, reversed in the lathe and is now being faced to the proper thickness.

As seen from the inside of the front plate.

 

OMEGA RECOGNIZED SERVICE PROVIDER     WOSTEP CERTIFIED

For shipping  or ordering information, contact:

Dewey Clark                   410.592.9998

Email Contact:         Historictimekeepers@gmail.com

Site Created and Expanded since 1999!!

(Watch my hair go grey)