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Ulysse Nardin Diver X Skeleton Azure (DLC titanium)

3723-170-2B/3A

The Ulysse Nardin Diver X Skeleton Azure (DLC titanium) is a 44 mm titanium dive watch with an Ulysse Nardin UN-372 automatic movement.

All Ulysse Nardin watchesDiver watchesDisplay back
Material
Titanium
Grade / type
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
Colour
Black
Surface treatment
Black DLC titanium; Carbonium bezel
Finish technology
DLC
Nickel-free
Unconfirmed (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, Hardness, Construction, Caseback, Matching bracelet
Medium confidence Verified Sep 2026 Source: Ulysse Nardin Spec checksGrade Sep 2026
Facts are free to cite with a link.
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Tandorio TD267A Titanium FXD MOD DiverTandorioTD267A Titanium FXD MOD Diver$12942.0 mmDiversame category · same style · similar size · same movementTandorio TD231 Titanium Turtle Diver 44mm MOP AbaloneTandorioTD231 Titanium Turtle Diver 44mm MOP Abalone$134.7844.0 mm13.4 mm thickDiversame category · same style · similar size · same movementTandorio TD251 Ti-2 Titanium Skx007 Diver NH36 41mm CeramiTandorioTD251 Ti-2 Titanium Skx007 Diver NH36 41mm Cerami$142.1341.0 mm14 mm thickDiversame category · same style · similar size · same movementBerny Automatic Titanium Diver AMT159BernyAutomatic Titanium Diver AMT159$143.9941.5 mm12.5 mm thickDiversame category · same style · similar size · same movementTandorio TD247 Titanium Diving 62MAS 41mm AR Domed 30BarTandorioTD247 Titanium Diving 62MAS 41mm AR Domed 30Bar$145.0241.0 mm15.2 mm thickDiversame category · same style · similar size · same movementTactical Frog Titanium SUB300 Vintage Diver Watch H36Tactical FrogTitanium SUB300 Vintage Diver Watch H36$169.9041.0 mm12.8 mm thickDiversame category · same style · similar size · same movement

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Frequently asked questions

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

Titanium, with no grade stated. The record is at medium confidence, so check the maker's page before relying on it.

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

The case is 44 mm across. It is water resistant to 200 m.

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

It is in production, but the maker does not publish a price.

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