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The Aquatimer Deep Three in its titanium case is already the third generation of the IWC diver’s watches to feature a mechanical depth gauge, and is a perfect example of watchmaking evolution: it has a greater range of functions, is safer in use and even simpler to operate. During dives, the watch, which has 10 bar water-resistance, provides a complete backup system to the dive computer.
Further development of the depth gauge and the rotating bezel system are yet another demonstration of the Schaffhausen-based watch manufacturer's innovative strength.
The stretchable corrugated rubber strap adjusts flexibly to changes in the girth of the wrist while diving.
During a dive, the blue depth indicator moves across the white scale with increasing or decreasing depth across the white scale.
Using elapsed dive time, the maximum depth reached and the seconds hand, it is possible to plot the course of a dive to perfection.
The red indicator remains at the greatest depth attained in the course of the dive to a maximum of 50 metres.
The back of the Aquatimer Deep Three, secured by five screws, features an intricate relief engraving of a diver's helmet.
The third generation of the IWC diver’s watches with a mechanical depth gauge, the Aquatimer Deep Three in a titanium case, is a perfect example of watchmaking evolution: it is even safer, more functional and easier to use than ever before. Using three parameters – elapsed dive time, maximum depth reached during the dive and the seconds hand – the diver can plan any necessary decompression stops and remain at the necessary depth to conclude the dive safely and successfully. The Aquatimer Deep Three is water-resistant to 10 bar and offers a complete backup system for the dive computer. During a dive, the blue depth indicator moves against the white scale to show increasing or decreasing depth. The red maximum depth indicator remains at the greatest depth reached down to 50 metres. Another feature is the newly developed SafeDive system, which prevents accidental moving of the external rotating bezel. The titanium case makes the watch lighter than its predecessor in stainless steel. An elaborate relief engraving of a diver’s helmet can be found on the back of the watch. The corrugated rubber strap adapts easily to the changing girth of the wearer’s wrist.
The pressure metering system of the further-developed depth gauge mechanism is housed in a pressure converter on the left-hand side of the case. Through minuscule holes in the cover of the pressure converter, water pressure acts on a spring membrane and pushes a shaft towards the interior of the case. This movement is transmitted through a system of levers and moves the gauge’s two indicators at the centre of the watch. While the blue depth indicator moves to show current dive depth, the red maximum depth indicator remains at the maximum depth attained in the course of the dive, prevented by a pawl from returning to its original position. The maximum depth indicator can be reset to zero by pressing a push-button next to the pressure converter.
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