The Titanium Field Guide

Ulysse Nardin Diver X Skeleton (Titanium)

3723-170-1A/3A

The Ulysse Nardin Diver X Skeleton (Titanium) is a current-production diver watch with a titanium (grade undisclosed) case, finished with blue pvd accents.

All Ulysse Nardin watchesWatch diver watches
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
200 m
Reference
3723-170-1A/3A
Type
Diver
Case diameter
44.0 mm
Origin
Switzerland
Movement
Skeletonized automatic
Caliber
Ulysse Nardin UN-372
Power reserve
72h
Complications
Time only
Colour
Grey
Surface treatment
Blue PVD accents
Finish technology
PVD / IP
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Rubber strap
Crystal
Sapphire
Dial
Skeletonized
Availability
Offered
Status
Current
Not published
Price, Thickness, Lug-to-lug, Weight, Hardness, Construction, Caseback, Matching bracelet, Display back, Lume
Medium confidence Verified Jul 2026 Source: Ulysse Nardin (Diver X Skeleton 3723-170-1A/3A)
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet new-watch alertsContribute a photo or review

Browse all watch comparisons →

Similar watches

Hamilton Khaki Navy BeLOWZERO Auto Titanium (grey)HamiltonKhaki Navy BeLOWZERO Auto Titanium (grey)$1,99546.0 mm15.7 mm thick129 gDiversame category · same style · similar size · same movementHamilton Khaki Navy BeLOWZERO Auto Titanium (black)HamiltonKhaki Navy BeLOWZERO Auto Titanium (black)$1,99546.0 mm15.7 mm thick129 gDiversame category · same style · similar size · same movementZenith Defy Extreme Diver 42.5mm (titanium)ZenithDefy Extreme Diver 42.5mm (titanium)$12,30042.5 mm15.5 mm thickDiversame category · same style · similar size · same movementFranck Muller Skafander TitaniumFranck MullerSkafander Titanium$14,60043.1 mm14.1 mm thickDiversame category · same style · similar size · same movementBatiscafo Zero45 TitaniumBatiscafoZero45 Titanium$44945.0 mmDiversame category · same style · similar size · same movementIslander Sands Point Titanium DiverIslanderSands Point Titanium Diver$44943.0 mm14 mm thick108 gDiversame category · same style · similar size · same movement
HelsonShark Diver 45 Titanium$1,19545.0 mm18 mm thick225 gDiversame category · same style · similar size · same movementOcean Crawler Ocean Navigator V3 (Titanium)Ocean CrawlerOcean Navigator V3 (Titanium)$1,19942.0 mm14.8 mm thickDiversame category · same style · similar size · same movement

Alternatives to the Ulysse Nardin Diver X Skeleton (Titanium)

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

More watches from Ulysse Nardin

Ulysse Nardin Diver 44mm TitaniumUlysse NardinDiver 44mm Titanium–44.0 mmDiverUlysse Nardin Diver Hammerhead Shark TitaniumUlysse NardinDiver Hammerhead Shark Titanium–44.0 mmDiverUlysse Nardin Diver Chronograph TitaniumUlysse NardinDiver Chronograph Titanium–44.0 mmDiverUlysse Nardin Diver X Skeleton Azure (DLC titanium)Ulysse NardinDiver X Skeleton Azure (DLC titanium)–44.0 mmDiverUlysse Nardin Freak X Ti BlackUlysse NardinFreak X Ti Black–43.0 mmOtherUlysse Nardin Freak ONE OPS (DLC titanium)Ulysse NardinFreak ONE OPS (DLC titanium)–44.0 mmOther

Frequently asked questions

What is the case material of the Ulysse Nardin Diver X Skeleton (Titanium)?

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

What size is the Ulysse Nardin Diver X Skeleton (Titanium)?

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

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

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

All Ulysse Nardin watches · Watch diver watches · All 1,600 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions

Report an error on this page · how corrections work