Tourbillon
In horology, a tourbillon (/tʊərˈbɪljən/; French: [tuʁbijɔ̃] "whirlwind") is an addition to the mechanics of a watch escapement. Developed around 1795 and patented by the French-Swiss watchmaker Abraham-Louis Breguet on June 26, 1801, a tourbillon aims to counter the effects of gravity by mounting the escapement and balance wheel in a rotating cage, to negate the effect of gravity when the timepiece (thus the escapement) is stuck in a certain position. By continuously rotating the entire balance wheel/escapement assembly at a slow rate (typically about one revolution per minute), positional errors are averaged out.
Originally an attempt to improve accuracy, tourbillons are still included in some expensive modern watches as a novelty and demonstration of watchmaking virtuosity. The mechanism is usually exposed on the watch's face to show it off.
Releases

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Tracklist: A Tide Of New Era
No. | Title | Runtime |
---|---|---|
1 | アゲハ | 5:14 |
2 | Saturation | 4:58 |
3 | Innocence | 3:55 |
4 | Selfish | 6:00 |
5 | Don't Hold Your Feeling | 5:02 |
6 | Nameless Greenness | 4:51 |
7 | Lost World | 3:02 |
8 | I'm Just A Mermaid | 4:01 |
9 | Lily | 5:22 |
10 | 瞬くように | 6:23 |
11 | Karna | 5:24 |
12 | Breezy Night Journey | 5:39 |
13 | 雨のリボン | 4:29 |
Bonus Track | ||
14 | 眠りの森の君 | 5:11 |