Teddy Baldassarre
Longines Ultra-Chron Carbon High-Frequency Diver Review
Just over two years ago, Longines launched the Ultra-Chron, a revival of the super-accurate 1968 original that gained notoriety as the world’s first high-frequency diver. Now Longines has released the Ultra-Chron Carbon, which is the brand’s first watch with a case made from carbon fiber, which, of course, is known for its lightweight durability. The watch, in fact, comes in at just 80 grams for the case and strap. The original Ultra-Chron Diver Ref. 7970 from 1968 was a cushion-cased steel watch that measured 41mm wide with 200 meters of water resistance. It was outfitted with the 5Hz Caliber 431 movement, which was accurate to 2 seconds per day. Our resident expert Mark Bernardo went into all the details of this model as well as the brand’s history with high-frequency timekeeping, in an article you can read here. The 2022 revival was a little bigger, coming in at 43mm wide, but also beefed up the water resistance to 300 meters. This new Ultra-Chron Carbon shares the same basic specs as this revival model but the blacked-out design kind of makes all the difference in terms of style versatility. Rather than a red minutes hand and matching red accents on the bezel, we see a sleek, monochrome aesthetic that is more stealth than sporty. The use of a contemporary material like carbon also offsets some of that overt “vintage-inspired” design language in favor of its own identity. The cushion-shaped case measures 43mm wide and 14mm thick with a 48mm lug-to-lug measu...
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