Search results
Results from the WOW.Com Content Network
Ruby jewel bearings used for a balance wheel in a mechanical watch movement Cross-section of a jewel bearing in a mechanical watch. This type of donut-shaped bearing (red) is called a hole jewel, used for most of the ordinary wheels in the gear train. It is usually made of synthetic sapphire or ruby, press-fit into a hole in the movement's ...
Jewel bearing of a balance wheel, supported by a lyre-shaped spring. The Incabloc shock protection system is the trade name for a spring-loaded mounting system for the jewel bearings that support the balance wheel in a mechanical watch, to protect the wheel's delicate pivots from damage in the event of physical shock, such as if the watch is dropped.
11 jewel watch - adds: 2 lever bearings; 2 escape wheel bearings; 15 jewel watch - adds: 2 fourth wheel bearings; 2 third wheel bearings; 17 jewel watch - adds: 2 center wheel bearings; 21 jewel watch - adds: 2 lever capstones; 2 escape wheel capstones; 23 jewel watch - adds: 2 mainspring barrel bearings; Self winding watches add 4 or more
Namiki Precision Jewel Co., Ltd. (並木精密宝石株式会社, Namiki Seimitu Houseki Kabushiki-gaisha) is a Japanese component manufacturing company based in Tokyo, Japan. The company was founded in 1939 as a manufacturer of synthetic sapphire jewel bearings for electrical measuring instruments.
It was presented at Baselworld 2004 in Basel, Switzerland, in a set of three watches including a single-axis, a double-axis and a triple-axis tourbillon. The world's unique tri-axial tourbillon movement for wristwatch, with traditional jewel bearings only, was invented by the independent watchmaker Aaron Becsei, from Bexei Watches, in 2007.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
For premium support please call: 800-290-4726 more ways to reach us more ways to reach us
Ad-Free AOL Mail offers you the AOL webmail experience minus paid ads, allowing you to focus on your inbox without distractions, for just $4.99 per month.