First presented in 2009 to celebrate the 50th anniversary of this legendary collection, the Corum Admiral’s Cup 45 Minute Repeater Tourbillon is now presented in a grade 5 titanium case. This material which is ultra-resistant and extremely hard to machine is endowed with the ideal physical properties to ensure perfect resonance of the notes emitted by the striking mechanism. A fine means of further enhancing this prestigious complication that remains the exclusive preserve of the greatest traditional watch manufacturers.The Caliber CO 010 movement powering the Admiral’s Cup 45 Minute Repeater Tourbillon called for two full years of development that enlisted the talents of around ten of Corum’s finest watchmaking craftsmen.One of the crucial factors in this equation is the grade 5 titanium case. In addition to its excellent resistance to corrosion – a particularly precious quality within a maritime environment – this alloy was chosen for its excellent acoustic qualities. The pure, crystal-clear sounds emitted are endowed with a rare level of intensity and admirably highlight the complexity of the minute repeater mechanism developed by Corum.

The creativity and meticulous care devoted to conceiving and crafting Caliber CO 010 are reflected in the exterior of the Admiral’s Cup 45 Minute Repeater Tourbillon. In order to highlight the value of the movement driving this model, Corum has chosen to replace its dial with a smoked PVD-treated sapphire crystal. The latter is even broader than on the previous model and provides stunning views of the intricate minute repeater and tourbillon mechanisms. Its grey-colored treatment, emphasized by the monochrome nautical pennants on the flange, lends this model an understated and yet highly technical nature. The crystal is also engraved with the inscriptions “Corum”, “Minute Repeater” and “Tourbillon”. The 45 mm-diameter case is immediately recognizable thanks to its famous polished satin-finished 12-sided bezel.

The bezel itself also features a hidden function. For such a sporty model, it would indeed have been risky to have the minute repeater slide protruding from the case middle, since it might get snagged or knocked against something and thereby damage the mechanism. Mounted on steel runners and delrin blocks to reduce friction, the ingenious bezel of the Admiral’s Cup 45 Minute Repeater Tourbillon serves to wind the minute repeater function by a clever 27-degree clockwise rotation.