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发表于美国 2019-3-21 05:51:36
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本帖最后由 Fraaanky 于 2019-3-21 05:52 编辑
都别吵了， 哥们给江诗丹顿发了封邮件， 2455机芯是用的是黄铜齿轮；
Dear Mr,
Thank you very much for your message and your interest in Vacheron Constantin.
In regards to your inquiry, the gear train of a Vacheron Constantin movement is made out of brass.
Please feel free to contact me if I can be of any further assistance. As always, I remain at your service.
Best regards,
Melanie
Vacheron Constantin
North America Concierge Service
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