Christopher Ward C60 Trident Lumière Best

The lightest, brightest Trident – ever

When you’re 300 metres underwater, luminosity matters. So when Christopher Ward’s design and engineering teams embarked on the project to create the brightest ever Trident, they began with an extraordinary material, Globolight XP©.

On the C60 Trident Lumière, the chamfered indexes are made entirely from Globolight XP©, as is the unmistakable ‘twin flags’ logo and most of the handset. In all, 17 specially-shaped blocks of Globolight XP© are used on the dial which contains five times the lume of any previous Trident (and which cost four times more to produce than a ‘regular’ dial). And because the dial comes in three extraordinary colour options – and whose ‘stippled grain’ surface adds extra texture – there’ll be a shade that’s right for you.

The ‘light’ theme continues with the metal used in the watch’s construction: Grade 2 titanium. The 41mm Light-catcher™ case is crafted from titanium – which has the highest strength-to-weight ratio of any metal – and has been designed to sit flat on the wrist. As well as delivering water-resistance to 300m, the case contains a helium release valve that will protect your watch on ascents.

Thanks to the thin profile of the movement, the case is just 10.85mm in height – making it our slimmest ever dive watch. Or, as one member of the CW team says, “It’s so light and so thin it feels part of your arm.” Meanwhile the titanium bracelet has an increased taper down to 16mm (from 22mm) and boasts an improved micro-adjustment mechanism so you can change its fit on the go.

Lumière is powered by a chronometer-certified version of the Sellita SW300-1 automatic calibre, whose decorated rotor you’ll be able to see through the exhibition case back. Not only is the movement ultra-accurate, but it also gives you a 56-hour power reserve.

The sum of this innovation, experimentation and ambition isn’t just the most beautiful dive watch Christopher Ward has ever made, but the perfect balance between form and function.

Sellita SW300-1 COSC Automatic

Launched in 2008, Sellita’s 25-jewel SW300-1 automatic movement is one of the most respected calibres in Swiss watchmaking. At 25.6mm in diameter and with a height of 3.6 mm (one millimetre less than the SW200-1), it has a frequency of 28,800 vibrations per hour (4 Hz) and boasts a power reserve of 56 hours. Seen as an alternative to ETA’s 2892-A2 calibre, the SW300-1 can be customised with various complications, including date, moonphase, and GMT functions.

This chronometer version has been tested by the Contrôle Officiel Suisse des Chronomètres, in a number of positions and temperatures to ensure precision timekeeping.