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. The caseback is open, so the movement is visible.

Titanium diver watchesDisplay back
Titanium
Titanium (DLC)
Water resistance
200 m
Reference
3723-170-2B/3A
Type
Diver
Case diameter
44.0 mm
Origin
Switzerland
Movement
Automatic skeleton
Caliber
Ulysse Nardin UN-372
Power reserve
72 h
Complications
Time only
Case shape
Round
Case colour
Black
Finish technology
DLC
Surface treatment
Black DLC titanium; Carbonium bezel
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Rubber strap
Crystal
Sapphire
Display back
Yes
Dial
Skeletonized blue
Dial colours
Blue
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Price, Thickness, Lug-to-lug, Weight, Caseback, Titanium bracelet Help verify
Medium confidence Verified Jun 2026 Source: Ulysse Nardin Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Ulysse Nardin Diver X Skeleton Azure (DLC titanium)?

The Ulysse Nardin Diver X Skeleton Azure (DLC titanium) has a Titanium (DLC) case. It is recorded at medium confidence pending a maker-stated grade.

What size is the Ulysse Nardin Diver X Skeleton Azure (DLC titanium)?

It is 44.0 mm in diameter, and water resistant to 200 m.

How much does the Ulysse Nardin Diver X Skeleton Azure (DLC titanium) cost, and is it available?

It is current-production; the guide does not list a price for it.

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