Jewellery Tools : Jewellery Equipment : HSWalsh. Suppliers for jewellers, silversmiths, goldsmiths, watchmakers, clockmakers, & horologists.

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Fitting Watch Batteries Basically a comparatively simple operation especially if you have the correct tools. But you will need good eyesight (an eyeglass is almost essential) and a steady hand to complete the job professionally. 1. Check the watch isn't pulsing. Most pulse seconds, some don't. (Any tester with a magnetic pick up will receive a signal from the stepping motor). 2. If it's pulsing and the hands are not moving there is probably an obstruction in the gear train and a new battery may not be the answer. 3. Clean the outside of the case and determine its' metal construction (gold, stainless steel, gold plated, gold plated with a stainless steel back etc) and how it opens (snap back, screw back) and if there are any marks on the case from a previous opening. If so tell the customer. 4. If the watch has a continuous bracelet release the spring bar in the case or bracelet to improve your access. 5. Snap back - find the slot and use a case knife. Screw back - adjust case opener to key way and unscrew (if it is very tight you may need to hold the watch in a case vice). 6. Note which way the old battery is inserted and if applicable unfasten the battery clamp. Loosening the screw will usually be sufficient and will avoid the possibility of losing the screw. 7. Ease out the old battery with plastic tweezers. The movement may need lifting slightly to remove the battery. Usually the handset position will give you more room to manoeuvre but remember to return the winding crown to its' original position. 8. The contacts may need cleaning. A fibre brush or Rodico will normally do the trick. A rubber blower is also recommended. 9. Insert the new battery with plastic tweezers after checking the reference number is correct and if applicable refit or position the battery clamp. 10.Turn the watch over and examine the hands to check they are moving or use a suitable timing/testing device. 11. If the watch has a gasket check its condition and replace it if necessary. Also coat the gasket with sealing lubricant to ensure a dust tight/watertight fit. Remember to check the inner side of the case for cleanliness before re-fitting the case back. 12. Refit the spring lug in the case or bracelet, set the watch to time and give the watch and bracelet a final polish with a Selvyt before returning it to the customer.