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A. Lange & Söhne: The lopsided slot for the orange screw is likely a visual indicator of it being an eccentric screw

What appears to be an orange "screw" is actually not - it is actually a friction-fit peg without threads, but with a "screwhead" that is off-centre to one side. By turning the head with a screwdriver, you can adjust the position of its eccentricity. It looks something like this, without the threaded
1Y
By: skyeriding
2

Patek Philippe: Strictly speaking, the CHR 27-525 PS draws heavy inspiration from vintage Victorin Piguet rattrapantes

For reference, here's a vintage Patek rattrapante, with a Victorin Piguet movement from a century ago (which is 12 ligne, or ~27mm in diameter): Next to the modern CHR 27-525 PS as found in the 5950 (which is also 27.3 mm in size): There are many similarities in the architecture, with notable upgrad
1Y
By: skyeriding
1

Independents: "In theory", a competent watchmaker could do it without particularly specialised tools, once understanding what each adjustment does

But for a timepiece within this price range, I'd imagine owners would send it back to Krayon for peace of mind... Regards, skyeriding
1Y
By: skyeriding
1

Independents: Longitude adjustment on the Krayon Anywhere is easier to adjust, latitude may be a little trickier...

To take a step back, the Krayon Anywhere is mechanically "programmed" for one specific location on the globe (the longitude is the X-axis, the latitude is the Y-axis). To change the location programmed in the Krayon Anywhere, a watchmaker has to open the caseback and make two adjustments to change t
1Y
By: skyeriding
1

Montblanc: It's a Minerva 19-09CH - crown pusher and 6-pillared column wheel

Couldn't find many photos of the movement online, but here's one from Robb Report for reference: Regards, skyeriding
1Y
By: skyeriding
1

A. Lange & Söhne: Thank you for specifically mentioning those points

I forgot about the balance wheel stop feature. In that case, it is entirely possible that the gear ratio of the barrel and second wheel between the old and new movements are identical, since the brake lever will stop the balance wheel before the barrel depletes. I do not have further info of the ori
2Y
By: skyeriding
2