The Titanium Field Guide

Ulysse Nardin Diver X Skeleton Azure (DLC titanium)

3723-170-2B/3A

The Ulysse Nardin Diver X Skeleton Azure (DLC titanium) is a current-production diver watch with a Titanium (DLC) case, finished with black dlc titanium; carbonium bezel. It measures 44.0 mm across, and is water resistant to 200 m. Inside is the Ulysse Nardin UN-372 automatic skeleton movement, with 72 h power reserve. Complications: Time only. Brand origin: Switzerland.

Titanium diver watchesMicrobrandDisplay back
Reference3723-170-2B/3A
TypeDiver
Price– · maker page pending
Case diameter44.0 mm
Thickness–
Lug-to-lug–
Water resistance200 m
Weight–
OriginSwitzerland
MovementAutomatic skeleton
CaliberUlysse Nardin UN-372
Power reserve72 h
ComplicationsTime only
TitaniumTitanium (DLC)
Surface treatmentBlack DLC titanium; Carbonium bezel
Nickel-freeYes
Bracelet / strapRubber strap
CrystalSapphire
Display backYes
DialSkeletonized blue
LumeSuper-LumiNova
AvailabilityOffered
StatusCurrent; maker page pending verification
Medium confidence Verified 2026-06-22 Source: Ulysse Nardin Maker / listing ↗
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