How to build a 10 ATM/100m Watch Water Pressure Tester for $40 (assuming you already have a bicycle pump or an air compressor)
There are a few ways you can go about doing this depending on a) what you already have and b) how elaborate you want to …
Continue readingIntent is to use a La-Joux Perret G100 movement, so SW200/2824 envelope. 42mm diameter case. Lug to lug around 48mm.
Modeled up a fairly standard case to start with, just for working out all the internals for the movement.
Printed up a quick mock up to check proportions.
[ATTACH…
Will the ETA 7750 day date wheels from later movements fit the 17 jewels movement?
And if not a direct fit, what need to be done to make them fit – if possible?
I spent a few hours with this one yesterday. I am testing my eyesight! Are things getting smaller, or am I just getting older? LOL
The hardest part was removing the hair spring stud and replacing it after oiling the cap jewel. It seems I could use mor…
Continue readingI hope this is the right place to post this. I looked for a Gruen section but I guess it doesn’t exist. I have a 710rss that I purchased and am trying to source a crystal for. But everywhere I’ve looked I can’t find a part number related to the watch t…
Continue readingQuestion: would you send it for full service now or wait?
[ATTACH…
I recently bought a Nivada Grenchen CASD from a seller on ebay. It arrived in excellent condition aesthetically, but it was stopping over night. This morning it had stopped again and I was able to get it to run again after engaging the chronograph. It kept running (and still is) all morning. I took it to my local watchmaker to see what was up.
Watchmaker found a shattered jewel on the minute wheel. He was able to clean it up but he said he’d never seen a movement with this…
When it comes to giving the accuracy of a watch surely these just give a snapshot of the accuracy at the given amount of wind in the mainspring when you measure it? So you could put the same watch on the timegrapher later on when the power reserve has …
Continue readingFollowed up after getting settings ironed out on an earlier copper dial for a friend to make this dial for my Tactical Frog FXD GMT project. The movement will be a Ronda 515-24D, trial . fit for the design is complete, today I made the first laser cu…
Continue reading
