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This movement features a new silicon escapement and hairspring, meaning that the heart of the watch is both a-magnetic and will not need servicing for decades (in theory at least).
www.telegraph.co.uk This allows the hairspring to breathe more evenly and symmetrically.
en.wikipedia.org The hairspring was made of an alloy that did not involve a ferrous material that otherwise would be magnetic.
en.wikipedia.org In addition, the hairspring would lengthen, decreasing its spring constant.
en.wikipedia.org This has allowed for silicon components to be substituted for some parts which are usually made of steel, such as the hairspring.
en.wikipedia.org 浏览词典
- haircut
- hairdo
- hairdresser
- hairnet
- hairpiece
- hairspring
- hairy
- hale
- half
- halfback
- half-breed