1 Answer
to lower static coefficient of friction. called jewel bearing.
start in 1704.
In 1902 synthetic jewels were used, usually Sapphire and rubies.
This watch can be rebuilt, any part of it can be repaired. It can last forever, generations.
Watches made before 1902 are highly prized, they contain the real jewel, there is no difference in price of a sapphire or a ruby watch.
12 years ago. Rating: 4 | |
Related Questions In This Category
Best Sports Betting Tips Apps 2024
Answers: 0
| Views: 21
| Rating: 0
| Posted: 4 days ago
Top contributors in Books & Authors category
Unanswered Questions
hand777ph3
Answers: 0
Views: 5
Rating: 0
shbetsc3
Answers: 0
Views: 3
Rating: 0
nohu78link
Answers: 0
Views: 6
Rating: 0
EE88 – Sân Chơi Cá Cược Đổi Thưởng Chất Lượng Số #1 Việt Nam
Answers: 0
Views: 17
Rating: 0
sunwinms1
Answers: 0
Views: 13
Rating: 0
Mengoptimalkan Budget Minim untuk Bermain Togel di LURUS4D
Answers: 0
Views: 14
Rating: 0
Đọc "Hiệp khách giang hồ"
Answers: 0
Views: 21
Rating: 0
v9betninja3
> More questions...
Answers: 0
Views: 17
Rating: 0