Ulysse Nardin Diver X Skeleton (Titanium)

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

4 official photos · reader photos welcome

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 (availability re-check 2026-10-20: maker page at the cited url answers 200 and reads InStock)

Not published

Price, Thickness, Lug-to-lug, Weight, Hardness, Construction, Caseback, Matching bracelet, Display back, Lume

Medium confidence Verified Oct 2026 Source: Ulysse Nardin (Diver X Skeleton 3723-170-1A/3A) Spec checksGrade Jul 2026

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