Jocke - Bad Santa
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The Rolex Microstella Tool............
The Rolex Microstella Tool
The Microstella is Rolex system to adjust the balance wheel to make sure the watch
keep the COSC standard. To do that there is a special tool to adjust the screws with.
The old tool looks like this and it's oil filled to be a little more exact and stable.
At the backside there is graduation which means 1 second per day for each line.
A closer look to the tool.
Here we have a balance wheel with the Microstella screws.
Here is how it works.
A few pics of the tool in action.
The instuctions from Rolex.
And some pics of the new/current Microstella tool.
Complications
Explore the Rolex Microstella tool: a detailed guide to adjusting balance wheel screws for COSC accuracy, with old and new tool comparisons.
13 replies2742 views
Service
Explore the Rolex Microstella tool and system for precise balance wheel adjustment to COSC standards. Jocke - Bad Santa details its function and use.
31 replies4824 views
Service
Explore Jocke - Bad Santa's detailed guide on repairing Rolex Jubilee & Oyster bracelet stretch with specialized tools. Learn about the process and precision involved.
9 replies1331 views
Service
Jocke - Bad Santa documents a Rolex Submariner 1680 Great White makeover. See the detailed restoration process of this vintage diver.
13 replies509 views
The Rolex Microstella Tool............
The Rolex Microstella Tool The Microstella is Rolex system to adjust the balance wheel to make sure the watch keep the COSC standard. To do that there is a special tool to adjust the screws with. The old tool looks like this and it's oil filled to be a li...
Thanks for teaching me something, today, Jocke.
I always wondered what was this Microstella tool and how it worked, now I know! Thank youk Jocke, for this superb series of posts. Nicolas.
Superb!
Great post Jocke so cool and well explained Awesome pictures of course Must say that old tool looks much cooler to me Best D
Thanks Jocke
very informative post, is this micro stella commonly use in watch industry? say patek or lange. thanks for sharing best, Ed
Thank you all, about the Microstella..........
so is it Rolex way to adjust the balance, ALS & PP do it in their own way.
Great informative report....
however do you have a picture of the tool next to something for scale..? It looks like a 'big' tool but when you then realise what it does it must be small but I can't work out the relative scale of it. Thanks, Andy.
Very informative post Jocke!! I knew the tool, but not how it was used...
... thank you for the explanation and clear & great photography as usual to show the way it is employed to adjust the balance screws. Very cordially, Abel.
Thanks for the great report...
... total WatchTech action here. I want one but I don't why. Cheers, my friend. - Scott
Thank you.
Very nice post. A friend watchmaker taught me how to use it long time ago, funny tool. Thanks for sharing. Vte :)
Technology behind the Watch
This was a great post. I had not seen this tool before. I love having a small glimpse into it all.