Side by side

Sinn U18vsZelos Aurora Field

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

U18
SinnU18
MSRP $3,488
Aurora Field
ZelosAurora Field
MSRP $529
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.

Zelos Aurora Field

The Zelos Aurora Field is praised for its unique and gorgeous dial, with the hammered teal bronze version and its great lume, particularly on the minute track, being singled out. Owners find the rubber strap comfortable and flexible with good hardware, and the watch is highlighted as feature-packed for its price point, including 200m water resistance, Grade 2 titanium, and 30,000 A/m anti-magnetism, with the new clasp noted as the best to date. However, some owners criticize sharp bracelet edges, an odd case shape with lugs that cause it to wear high, and dial text that appears cheap and plasticky, with one commenter finding the straight lugs look a bit off. Overall, owners rate the Zelos Aurora Field highly for its value and unique dial, despite some concerns about case and bracelet finishing.

At a glance

15 of 29 specs differ
Diameter
U1844mm
Aurora Field42mm
Power Reserve
U1842h
Aurora Field40h
Water Resistance
U182,000m
Aurora Field200m
MSRP
U18$3,488
Aurora Field$529

Full specifications

Case

8 specs
Category
Diver
Field
Diameter
44mm
42mm
Thickness
15.5mm
12.2mm
Lug-to-Lug
42mm
Material
high-strength
Titanium
Finish
Brushed and polished
Water Resistance
2000m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Bronze
Indices
Applied

Movement

2 specs
Caliber
SW300-1
Miyota 9039
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$3,488
$529
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