Jeff Hamilton, Clockmaker

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Atmos 540 repair Tools
If you repair the Jaeger LeCoutre Atmos clock model 540 or 560 than this tool is a must have.
$95.00
Atmos 540 repair notes
Repair notes for the Atmos 540. 16 pages of pictures and repair specifications
$9.95
Atmos 550 repair notes
If you are planning on working on a Jaeger LeCoultre model 550 than these repair notes are a must have.
$9.95
Regulation Chart
Here is a chart to help you regulate your atmos clock. **IMPORTANT: look for the link below and to the left of “Add to Cart” click on the “Downloads” tab and you will see the button below to download the file.
$0.00
clockmaker\'s apprentice
This is a Free version of the popular Clockmaker's Apprentice software. You can calculate gear trains, calculate pendulum length changes, mainspring calculators, Hermle, Urgos and Jaugh beats plus much more. Please remember this program does not come with any support. There has been some confusion on how to download the software. **IMPORTANT: look for the link below and to the left of “Add to Cart” click on the “Downloads” tab and you will see the button below to download the software.
$0.00
Moon Phase Update
Updated moon phase chart
$0.00
Atmos bubble level repair kit
Repair those dead bubble levels
$19.95
528 repair notes
If you are planning on repairing the Atmos model 526 or 528 these repair notes are a must
$9.95
Atmos Rotation Template
Atmos Rotation Template. Download This File For Free, **IMPORTANT: look for the link below and to the left of “Add to Cart” click on the “Downloads” tab and you will see the button below to download the file.
$0.00
Rubber feet for Atmos clock
Replacement rubber feet for your Jaeger LeCoultre Atmos clock
$6.95
Senson Flag
If you use a Microset then this product is for you.
$5.00
Jaeger LeCoultre Style Torque Tool
This tool is used to measure the power of the mainspring on the Atmos models #2, 519, 526, 528
$85.00
1/4 Buff Stick
This buff stick is excellent for polishing the roller on both all models of Atmos clocks
$9.95
Atmos Model 540 Repair Stand
Stand for holding and working on the Jaeger LeCoultre 540 and 560 movement
$95.00
Atmos Castle Nut Wrench
Use to lock the castle nut while adjusting the regulator
$7.95
Tweezers for the Atmos Clock
These tweezers are designed to hold the roller of a 540 or 560
$9.95
Chain for Jaeger LeCoultre Atmos clock
Aftermarket Atmos replacement chain. Pulley Not Included
$9.95
Atmos suspension wire puller
$9.95
Atmos Shim Tool
The shim will allow you to drive on the minute wheel without the fear of cracking the rear jewel of the second gear
$9.95
Clockmaker\'s Beat Book
If you work on clocks full time or just repair clocks as a hobby this book is for you. This is the most comprehensive book of clock timing information every compiled.
$19.95
Atmos 540 repair Tools
Repair Tool #24 for Jaeger LeCoutre Atmos 540 (24JLH)
If you repair the Jaeger LeCoutre Atmos clock model 540 or 560 than this tool is a must have. This tool was made to measure the torque of the mainspring so that it can be wound up to the required specification laid out in the Atmos 540 Repair guide (note 11.6). If the clock is not wound to the proper specification it could either stop, run erratic or rebound from being overwound. Stop the troublesome returns by making sure the clock is wound to the proper specs before it leaves the shop. This tool can also be used when a clock comes into the shop to test the torque on the mainspring to verify the bellow is working correctly and keeping the clock wound correctly. Included in the sale is a FREE copy of the Jaeger LeCoultre 540 Repair Notes and a beautiful box to keep your torque tool safe and clean. The tool head is made from a high impact nylon and the rod is made from stainless steel. The torque tool comes with a 1 year limited warranty.
If you repair the Jaeger LeCoutre Atmos clock model 540 or 560 than this tool is a must have.
$95.00
Atmos 540 repair notes
Atmos 540 Repair Notes (540notes)
If you are planning on working on the Atmos 540 than these repair notes are a must have. These notes give the Atmos repairman the much needed specifications and pictures needed to correctly repair the model 540 Atmos
Repair notes for the Atmos 540. 16 pages of pictures and repair specifications
$9.95
Atmos 550 repair notes
Atmos 550 Repair Notes (550)
This 6 page booklet is a must have for anybody planning on working on the Jaeger LeCoultre 550. The booklet give you the specifications for repairing these clock as well as some detailed pictures. The 550 is very different from other Atmos models and these repair notes will really come in hands.
If you are planning on working on a Jaeger LeCoultre model 550 than these repair notes are a must have.
$9.95
Regulation Chart
Atmos Regulation Chart
This file is available for free and immediate download. This chart is for both the old and new model Atmos clocks.
Here is a chart to help you regulate your atmos clock. **IMPORTANT: look for the link below and to the left of “Add to Cart” click on the “Downloads” tab and you will see the button below to download the file.
$0.00
clockmaker\'s apprentice
The Clockmaker's Apprentice Free Version For Windows (FreeApr)


This is a Free version of the popular Clockmaker's Apprentice software. You can calculate gear trains, calculate pendulum length changes, calculate mainspring changes, Hermle, Urgos and Jaugh beats plus much more. Please remember this program does not come with any support. Some antivirus programs may report that this program is unsafe because it does not have a digital signature or very few people use it. This is a false warning, yes it is used by very few people and does not have a digital signature but that is because it is new and I can't afford to pay $1200 for a digital signature to give away a free program.
This is a Free version of the popular Clockmaker's Apprentice software. You can calculate gear trains, calculate pendulum length changes, mainspring calculators, Hermle, Urgos and Jaugh beats plus much more. Please remember this program does not come with any support. There has been some confusion on how to download the software. **IMPORTANT: look for the link below and to the left of “Add to Cart” click on the “Downloads” tab and you will see the button below to download the software.
$0.00
Moon Phase Update
Moon Phase Chart Update (MPU)
if you have an older version of the Clockmaker's Beat Book and the moon phase chart is out of date here is a Free version of the latest moon phase for years 2019-2022. Just print out the update, cut the page and glue it over the old page.
Updated moon phase chart
$0.00
Atmos bubble level repair kit
Atmos Bubble Level Repair Kit (BBkit)
This kit includes a new bubble level, cement and instruction for repairing the bubble level in the 540, 560 and later model 528. If your clock has 3 screws that hold your bubble in then this kit will work on it.
Repair those dead bubble levels
$19.95
528 repair notes
Atmos 528 Repair Notes (528notes)
This 10 page booklet is a must have for anybody planning on working on the Jaeger LeCoultre 526 or 528. The booklet give you the specifications for repairing these clock as well as some detailed pictures. The last 4 pages are pictures and part numbers for the model 526 and 528.
If you are planning on repairing the Atmos model 526 or 528 these repair notes are a must
$9.95
Atmos Rotation Template
Atmos Rotation Template
This file is available for free and immediate download. Cut out this form and place it on the base beneath the pendulum during timing and it will help you to see if the pendulum is building a better swing or dropping off. It will also show you the difference in your amplitude from clockwise to counter clockwise roatation. Thank you for visiting AtmosTools.com
Atmos Rotation Template. Download This File For Free, **IMPORTANT: look for the link below and to the left of “Add to Cart” click on the “Downloads” tab and you will see the button below to download the file.
$0.00
Rubber feet for Atmos clock
New Rubber Feet For Model 2, 519, 526 and 528 (RF)
If your clock is missing one or more of those rubber feet used on the Atmos mode#2, 519, 526 or 528 than these are just what you are looking for. Don't mar up the nice furniture replace those missing feet with these. They come in a set of three and all you need to do is add a small amount of glue to the bottom of the new foot and press it into place.
Replacement rubber feet for your Jaeger LeCoultre Atmos clock
$6.95
Senson Flag
Sensor Flag (SFMD)
This sensor flag was designed to be easily installed and removed from the Atmos pendulum so you can time out your Atmos clock. This small nylon flag slips onto the bottom of the pendulum and will trip the Microset optical detector. These flags comes 6 to a pack and are attached to their base until needed.
If you use a Microset then this product is for you.
$5.00
Jaeger LeCoultre Style Torque Tool
Jaeger LeCoultre Model 2 - 528 Torque Tool (519TT)
If you repair the Jaeger LeCoutre Atmos clock model #2, 519, 526 or 528 than this tool is a must have. This tool was made to measure the torque of the mainspring so that it can be wound up to the required specification. If the clock is not wound to the proper specification it could either stop, run erratic or rebound from being overwound. Stop the troublesome returns by making sure the clock is wound to the proper specs before it leaves the shop. This tool can also be used when a clock comes into the shop to test the torque on the mainspring to verify the bellow is working correctly and keeping the clock wound correctly. Included in the sale is a FREE copy of the Jaeger LeCoultre 528 Repair Notes. The torque tool comes with a 1 year limited warranty.
This tool is used to measure the power of the mainspring on the Atmos models #2, 519, 526, 528
$85.00
1/4 Buff Stick
1/4" wide Leather Buff Stick (BSJLH)
This leather buff stick is excellent for polishing the roller on all models of the Jaeger LeCoultre Atmos clock. The buff stick is 8" ;png and 1/4' wide has a leather face, just add rouge and it is ready to go. The rubber coated handles gives you a sure grip during polishing.
This buff stick is excellent for polishing the roller on both all models of Atmos clocks
$9.95
Atmos Model 540 Repair Stand
Atmos 540 & 560 Movement Stand (ST540)
If you are working on an Atmos 540 or 560 you will need one of these stands to hold the movement and use to drive of the hour wheel and intermediate wheel.
Stand for holding and working on the Jaeger LeCoultre 540 and 560 movement
$95.00
Atmos Castle Nut Wrench
519-526-528 Atmos Castel Nut Lock Wrench (519Reg)
This mini regulator adjuster tool works great for adjusting the regulator back to center. This small tool is easy to use, instead of adjusting the regulator from the front and trying to work around the tool this tool works from the back and allows easy access to the regulator. Made of high impact PETG this tool will last for years.
Use to lock the castle nut while adjusting the regulator
$7.95
Tweezers for the Atmos Clock
540 - 560 Roller Tweezers (TW540)
These custom designed speciality tweezer will make holding the roller of the Jaeger LeCoultre Atmos model 540 or 560 easier for polishing. These tweezers are designed to go around the frame of the atmos clock and hold the roller for polishing. Made from high strength yet flexible PLA these tweezers will last for years and will not scratch the roller or rust.
These tweezers are designed to hold the roller of a 540 or 560
$9.95
Chain for Jaeger LeCoultre Atmos clock
Atmos Chain (atmos chain)
Here is a aftermarket replacement chain for all models of the Jaeger LeCoultre Atmos clock. The chain is 3" long and gold tone in color. Pulley Not Included
Aftermarket Atmos replacement chain. Pulley Not Included
$9.95
Atmos Suspension Wire Puller (SP01)
Make that job of rethreading a new suspension spring through the balance tube as easy as 1-2-3 . Just insert the Atmos suspension spring puller through the balance tube, fit the tip of the suspension wire in the end, lock in place and pull in through. Work smart not hard. Balance stem not included.
Atmos suspension wire puller
$9.95
Atmos Shim Tool
Atmos Shim Tool (540ST)
Here is a hand little shim that will allow you to drive back on the minute wheel onto the shaft of the second gear arbor without the fear of cracking the rear jewel. Just slide this shim between the back plate of the 540 movement and the underside of the 2nd wheel and you are ready to safely re-stake the minute wheel back onto the arbor.
The shim will allow you to drive on the minute wheel without the fear of cracking the rear jewel of the second gear
$9.95
Clockmaker\'s Beat Book
The Clockmaker's Beat Book 2015 (2015)
The 2015 Clockmaker's Beat Book is Here. If you work on clocks full time or just repair clocks as a hobby this book is for you. This is the most comprehensive book of clock timing information every compiled. This book is packed with 120 pages of useful information. If you need to know the correct length of a pendulum there is a chart to help you figure it out. If you have a French movement and the pendulum is missing, there is even a chart to help you find the correct pendulum length using the numbers located on the back of the movement. Lets not forget the Moon phases for the year 2015 thru 2019. We have saved the best for last, if you have a timing machine (Micro-Set or TimeTrax) there are gear counts and beats for hundreds of clock. You will find gear counts and beat information for American, German, French, English, Cuckoo Clock, Modern, Antique, Urgos, Hermle, Kieninger, Jauch and even Chinese, Japanese, Korean movements and even a chart to help time out Jaeger LeCoultre Atmos clocks. With the purchase of this book you will be given access to the Clockmaker’s Apprentice website where new clock beat information that has been found since this book was printed will be listed, you can even add the clock beat information you have gathered. Produced by Jeff Hamilton, Certified Master Clockmaker
If you work on clocks full time or just repair clocks as a hobby this book is for you. This is the most comprehensive book of clock timing information every compiled.
$19.95
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