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.

Titanium diver watches
Titanium
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
Case shape
Round
Case colour
Natural / grey
Finish technology
PVD / IP
Surface treatment
Blue PVD accents
Nickel-free
Not verified (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, Caseback, Titanium bracelet, Display back, Lume Help verify
Medium confidence Verified Jul 2026 Source: Ulysse Nardin (Diver X Skeleton 3723-170-1A/3A) 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 (Titanium)?

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

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.

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