

Last checked Oct 26, 2026
View on Grandeur’s site ↗High horology, built for depth. Most tourbillons are created for the display case. THAL 300 was created to descend. At its center, a fully skeletonized mechanical movement reveals a luminous tourbillon at six o'clock, framed by sandblasted bridges and contrasting rose-gold flanks. Surrounding the movement, a lume-infused carbon-fiber bezel forms a powerful circle of light, joined by luminous hands for visibility as the water darkens. Everything is protected inside a 42 mm crystallized-titanium case rated to 300 meters. At only 12 mm thick and approximately 33 grams, THAL 300 delivers the strength and capability of a serious diving watch with the lightness and refinement of high horology. Abyss Blue — inspired by the electric glow of life beneath the ocean's surface. In daylight it appears cool, technical, and refined. As darkness arrives, its luminous carbon-fiber bezel, hands, and tourbillon awaken in brilliant blue light. Each Abyss Blue watch includes two matching 20 mm straps: a lightweight blue elastic-fabric strap and a premium blue FKM rubber strap. Specifications Collection Grandeur THAL Model THAL 300 Skeleton Tourbillon Case material Crystallized titanium Case diameter 42 mm Case thickness 12 mm Estimated weight Approx. 33 g, depending on fitted strap Water resistance 300 meters / 30 bar Bezel Lume-infused carbon fiber Movement Skeletonized mechanical tourbillon Tourbillon Luminous cage at six o'clock Movement finishing Sandblasted bridges, rose-gold flanks Power reserve 40 hours Crystal Sapphire Luminescence Bezel, hands and tourbillon Lugs Articulated (flexible) Lug / strap width 20 mm Included straps Blue elastic fabric + blue FKM rubber, interchangeable
Details and photos come from Grandeur’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.
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