Watch Service Tool Guide - Part 2 - Seiko & Citizen Watch Forum Japanese Watch Reviews, Discussion & Trading
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Old 07-13-2016, 02:51 PM   #1 (permalink)
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Default Watch Service Tool Guide - Part 2

Watch Service Tool Guide - Part 2


Continuing my guide on watch tools (well the one I use anyway)

Bracelet adjustment Tools



Containers/Storage

A must to store disassembled watch movements (so you can keep parts and screws in order). Also to store spares and parts.



Case/Dial Cleaning Tools

When performing assembly and re-assembly of watches, the watch parts and case need to free of dust and marks.

In particular the dial and glass are easy to mark. It is advisable to wear surgical latex gloves or finger cots to eliminate finger prints.

Before reassembling the case over the movement, a watch blower can be used inside the case to remove dust/hairs etc.



Marks, caused by fingers, oil, dust etc can be removed with Radico or A*F Rub-off. Both these products are similar to BlueTack. They are both plasticine like substances, that are tacky, but unlike Blue Tack, do not leave a residue.



Watch hand removing tools

Watch hand removers, should always be used with a dial protector eg Bergeon 6938, when removing watch hands.
There are two types of watch hand remover, watch hand levers and Presto hand remover.
There are two watch hand lever sizes shown in below, 2.5mm for minute/hour/second hands and a smaller 1.2mm size for chronograph sub-dial hands.

(1) Watch Hand Lever.



(2) Presto hand removers.

The other type of hand removers are Presto hand removers. The tool is positioned, so that the two claws are under the lowest hand in the hand stack. While holding the hand remover perpendicular to the dial, the curved metal springs are pressed together. This causes a plunger to press down on the top most watch hand and pull the two claws up, taking all the watch hands at the same time. They are also used to remove watch hand pinions.



Watch hand refitting tools



The Presto hand press is my tool of choice for re-fitting of watch hands, because the watch hands are pressed down perpendicular to the watch movement.

Other tools used are hand held watch hand presses as shown below, however a lot more skill is required with these tools to make sure that the watch hands are fitted correctly





Crystal Press

A crystal press is used to remove watch crystals from a case. In order to ensure a water tight seal on the watch crystal, they are often fitted with a gasket to ensure a very tight interference fit. In order to remove the crystal, without breaking it, we use a crystal press.

The case is placed between two plastic die. The smaller die at the top is sized to be slightly smaller than the crystal, while the larger one at the bottom is designed to hold the case and create a clearance, allowing the crystal to be pressed downwards when the lever is pressed down.



Miscellaneous

The plastic probe shown below is used for a variety of tasks, including pressing down, chronograph and second hands, adjusting the regulator lever, moving gears etc. Being plastic it ensures that the fragile metal components are not damaged. Watch paper is useful to protect dials and hands from damage.





Timegrapher

A timegrapher is tool used to adjust/regulate an automatic watch.
The No1000 Timegrapher allows the beat error (ms) and Beat rate (sec/day) to me measured during alignment. It will also measure the amplitude (deg), lift angle (deg),




Watch Waterproof tester

This device is used to test the seal integrity of a watch under water.
The glass vessel is half filled with water and the watch suspended from the arm attached to the plunger.



With the plunger pulled out, the watch should be out of the water. At this point, the pressure is increased in the chamber by pumping the lever.
When the required pressure has been reached, the watch is lowered into the water until it it completely submerged.
Now the pressure is released by pressing the white button and the watch is carefully observed for any bubbles being released.
Released bubbles, signifies a leak and will require inspection of the watch seals, including the crystal seal.



The End
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Old 07-23-2016, 05:49 AM   #2 (permalink)
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Thanks for posting. These recommendations are a very useful resource..

Regards,

Ross
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Old 08-10-2016, 02:53 PM   #3 (permalink)
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Very good guide has someone new to this I found this very informative
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