It was about time that Zenith finally completed its current collection with a watch that deserved to be called a diver: After a comparatively long hiatus, the Swiss brand has returned to “the deepest depths with the new Defy Extreme Diver, as well as a remake of one of the most sought-after vintage Zenith diver?s watches, the Defy Revival A3648.”

The modern Defy Extreme Diver comes in two dial executions with a 42.5mm angular case that is crafted in titanium (Grade 5), a metal that not only boasts a significant weight-to-strength ratio but is also highly resistant to corrosion. In addition, the case is equipped with a helium escape valve at 9 o’clock, which obviously can be seen as nod to the “Extreme” in the model’s name, since the historical predecessors (with the typical additional ring to secure the crystal) were constructed for saturation diving without needing one. Below the fixed dodecagonal bezel on the modern take, the ceramic unidirectional rotating bezel (120 clicks) features grooved edges for a better grip (but no metal frame). The bezel is engraved and filled with orange (numbers) and green (12 o’clock marker) Super-Luminova. The minute hand matches the color of the bezel’s triangle, the indexes as well as the hour and second hand shine with blue hue at night.
The dial features a geometric pattern of engraved four-pointed stars. Available in black (Ref. 95.9600.3620/21.I300) and blue (Ref....