eaturing a unique, fully transparent tonneau case crafted from TR90 crystal, this skeleton watch offers a 360° panoramic view of the intricate rhythm of its gears and balance wheel. Inside, the gunmetal-finished movement is housed in a sleek profile—measuring 34mm in diameter and just 7.18mm in thickness—delivering a powerful visual impact alongside an ultra-lightweight, hypoallergenic, and weightless wearing experience. Powered by a robust design, it boasts over 48 hours of power reserve at a stable frequency of 21,600 vph (3 Hz).
Detail photography and specifications for Mechanical 9027.

360° full view of the exquisite skeleton movement — pure mechanical theatre. Gears, balance wheel and rotor visible from every angle through the perfectly clear tonneau case.

Ultra-light TR90 crystal case — the same hypoallergenic, high-tech material used in premium eyewear. Feels almost weightless, zero skin irritation, perfect all-day comfort.

Automatic skeleton movement and minutes display. Gunmetal finish, equipped, resistant to everyday wear with a robust design. Diameter of 34mm, thickness of 7.18mm. Power reserve exceeding 48 hours, operating at a frequency of 21,600 vibrations per hour (3 Hz)
5/1/2026
Cadran lisible, boîtier bien proportionné. Mechanical 9027 est encore plus beau en vrai.
4/9/2026
Mechanical 9027 מדויק ונעים על פרק כף היד. מנגנון אוטומטי חלק ולוח קריא.
3/22/2026
The lume on Mechanical 9027 is readable at night and the crystal stays clean. Very happy with this purchase.
3/21/2026
Cadran lisible, boîtier bien proportionné. Mechanical 9027 est encore plus beau en vrai.
2/28/2026
La indosso ogni giorno — Mechanical 9027 ha una presenza elegante senza essere pesante.
12/21/2025
Mechanical 9027 läuft präzise und wirkt hochwertig verarbeitet. Automatikwerk angenehm ruhig am Handgelenk.
11/29/2025
أرتدي Mechanical 9027 يومياً للعمل. تغليف ممتاز وشحن سريع.
11/11/2025
Trage Mechanical 9027 täglich — Armband sitzt bequem, Krone lässt sich gut bedienen.
10/20/2025
Mechanical 9027 mantém a hora muito bem. Movimento automático suave e mostrador nítido.
10/19/2025
Hand-winding is easy and the power reserve is honest. Mechanical 9027 looks even better in person than in the photos.
8/12/2025
Gifted Mechanical 9027 to my husband — he loves the weight and presence without feeling bulky. Five stars.
7/25/2025
Nette afwerking en comfortabele band. Mechanical 9027 ziet er live beter uit.
7/21/2025
La corona y el bisel están bien alineados. Mechanical 9027 se siente sólido.
6/29/2025
마감 깔끔하고 착용감도 편합니다. 사진보다 실물이 더 좋아요.
6/11/2025
Hand-winding is easy and the power reserve is honest. Mechanical 9027 looks even better in person than in the photos.