Side by side

Sinn U18vsHELM Vanuatu Titanium

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

U18
SinnU18
MSRP $3,488
Vanuatu Titanium
HELMVanuatu Titanium
MSRP $350
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn U18

The Sinn U18 is praised for its unique deep blue/green dial with three-dimensional oxygen bubbles that change with light, and its comfortable, easily adjustable bracelet. Owners find the watch stunning and a piece of history, appreciating the refined hands. The Sinn U18 features a 44mm, 15.5mm thick case made from German submarine steel, offering a 2000-meter dive specification and Sinn's Ar-Dehumidifying technology, powered by a Sellita SW300-1 movement. The case thickness is apparent, and the watch comes as a complete set with box and papers for $3,000-$3,680. On balance, owners and reviewers rate the Sinn U18 highly for its striking dial and robust build.

HELM Vanuatu Titanium

The HELM Vanuatu Titanium is widely praised by owners for its lightweight titanium construction, brushed gunmetal finish, simple design, legible hands and markers, and excellent lume, offering significant value at $300. Owners note the watch looks good in person and express enthusiasm for their existing Vanuatu Ti models. Some owners wish for Miyota 9x movements in place of the NH series. The unhardened titanium scratches easily, and the 42mm case may be too large for smaller wrists. A significant drawback is the long waiting list. On balance, owners rate the HELM Vanuatu Titanium highly for its lightweight titanium build and excellent lume at the price point.

At a glance

16 of 29 specs differ
Diameter
U1844mm
Vanuatu Titanium42mm
Power Reserve
U1842h
Vanuatu Titanium40h
Water Resistance
U182,000m
Vanuatu Titanium300m
MSRP
U18$3,488
Vanuatu Titanium$350

Full specifications

Case

7 specs
Diameter
44mm
42mm
Thickness
15.5mm
14mm
Lug-to-Lug
50mm
Material
high-strength
Titanium
Finish
Brushed and polished
Water Resistance
2000m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Indices
Applied
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
SW300-1
Seiko Instruments NH35
Power Reserve
42h
40h
Jewels
25
24
Complications
None
Date

Pricing

1 specs
MSRP
$3,488
$350
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Sinn U18 vs HELM Vanuatu Titanium gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.