AHCI - Interesting. I guess the same idea could be used with guilloche.

Heat blued numerals

By: Cozmopak : January 12th, 2021-09:30

I’ve never seen heat blued hand engraved numerals on a chapter ring before. If anyone knows of other examples, please share! I love the way they look and match the hands. ...

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Neither did I! Very interesting and eye catching.

By: amanico : January 12th, 2021-09:31

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I agree!

By: Cozmopak : January 12th, 2021-09:46

I believe Marco Lang used a similar technique for his movement on his new watch.

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interesting and very cool

By: Chronometer (aka yacomino) : January 12th, 2021-09:55

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That is really cool, do they blue the entire dial and then grind over the top leaving the recessed hands blued?

By: doubleup : January 12th, 2021-10:36

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That’s exactly right

By: Cozmopak : January 12th, 2021-10:51

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Interesting. I guess the same idea could be used with guilloche.

By: LK : January 12th, 2021-11:24

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I agree! I like the match! Are the numerals on the power reserve and the seconds dial of Akrivia's AK-06 blued?

By: Obeezy : January 12th, 2021-13:08

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Interesting, I wonder too

By: Cozmopak : January 12th, 2021-13:57

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This is a first for me as well. Any.chance to.describe the process precisely? I d.love.to know how it was exactly done. Thank you.

By: @lberti : January 12th, 2021-13:14

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The numerals are first hand-engraved into the chapter ring.

By: Cozmopak : January 12th, 2021-14:00

The entire chapter ring is then heat blued. Subsequently, the chapter ring is brushed, and all of the blued steel is removed EXCEPT for the hand engraved numerals, which are recessed below the superficial surface of the ring, and therefore are not in cont...

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