Ceramic???

[akav72]

Just change strap in new PAM292 M HF, with "Black ceramic case".
Clock was layed face on the rubber pad.

1 and 2 looks like bright white dot. Yes, like aluminium.
3 and 4 - how must i be a strong for scratch ceramic case with tiny watch screwdriver?

 

[PolonusTM]

Ceramic should be strong but brittle the same time. You can make a dent, eventually. The white color can be the piece of the original material the ceramic bumped at.

Scratches from screwdriver? Probably the line made of metal (from the screwdriver). Try to use pencil eraser.

This is ceramic, members here had difficulties to glue it to the metal inner case.


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[akav72]

Ceramic should be strong but brittle the same time. You can make a dent, eventually. The white color can be the piece of the original material the ceramic bumped at.

Yes, i understand that eventually i can make a dent on any materials. But make a dent by a rubber pad??
White spot don't look like "white ceramic" its bright like fresh metal.

Scratches from screwdriver? Probably the line made of metal (from the screwdriver). Try to use pencil eraser.

Thank you, it's help, it's really was the line made of metal from screwdriver.

This is ceramic, members here had difficulties to glue it to the metal inner case.

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I'm started think that it's ceramic more weak that cheap china's PVD, i have PVD marina military watch for 3 yeas and never get that type problems with scratches.

 

[Arism]

Ceramic(even on reps) is definitely tougher than PVD. As said before it is strong but brittle. In most cases it will chip before it scratches.

Pic here
Chipped 292 courtesy of Del. The silver spot is the PVD on the lug bars that has been worn off.

The white spot is definitely something else, probably from whatever you knocked/brushed the watch against. The 292 has two piece construction; a steel inner case surrounded by a full ceramic one. The inner the screws for the lug bars are is PVD'd steel, while the outer case where the serial number is located is full ceramic, just like the gen. It might take a bit off effort, but just like the scratch made by the screw driver, you will be able to remove it.

 

[akav72]

Sorry that I have created two thread for one problem, I was thrilled.
Please, let's discuss all in one thread.
Thank you.

http://forum.replica-watch.info/vb/showthread.php/normal-for-trusted-109388?p=1088349#post-1088349