Ulysse Nardin Debuts Lightest Diver’s Watch
At Watches & Wonders 2025, Ulysse Nardin is taking the covers off the lightest ever mechanical dive watch, the Diver [Air]. Weighing only 52 grams, strap included, UN’s newest diver is unexpected and impressive in a number of ways. Initial thoughts UN’s engineers have succeeded in marrying lightness with utility in the Diver Air. The case, strap, and the movement in particular, have all been developed to carry as little weight as possible - without compromising structural reliability. At 52 g with the strap, and 46 g without, the Diver Air weighs about as much as 10 sheets of A4 paper. Impressive as it is, however, the Diver Air doesn’t really look the part, which is arguably its biggest weakness. Visually the Diver Air is almost undistinguishable from the standard Diver X Skeleton, which is a shame given that this is entirely different. The result is a missed opportunity in creating something that looks like what it is, an ultra-light performance watch. The movement, however, looks good in a contemporary manner, with clear sapphire jewels and a clean, industrial finish. The seven grams UN-374 movement At the core of this ultra-light diver lies an in-house movement engineered for both lightness and sturdiness - the UN-374, with 90% recycled titanium bridges. The UN-374 only weighs a staggering 7 g and yet can run for 90 hours on a full wind at a 3 Hz frequency. Based off Diver X Skeleton’s UN-372, the new UN-374 was tweaked to keep its structural stability ...
Fratello
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