Side by side

Sinn U18vsYema Diver

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

U18
SinnU18
MSRP $3,488
Diver
YemaDiver
MSRP $990
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.

Yema Diver

One owner reported a water ingress issue on their Yema Diver the first time it got wet in a lake, despite rinsing and inspecting the watch and bezel. Another owner notes this manual wind Yema Diver has a cool patina but is unlikely to be waterproof or gain value. Overall, owners view the Yema Diver as a fun second watch rather than an investment.

From video reviewers

The Swiss Sellita movement is a notable feature. Reviewers did not reach a consensus on any weaknesses.

At a glance

13 of 29 specs differ
Diameter
U1844mm
Diver39.5mm
Power Reserve
U1842h
Diver40h
Water Resistance
U182,000m
Diver200m
MSRP
U18$3,488
Diver$990

Full specifications

Case

7 specs
Diameter
44mm
39.5mm
Thickness
15.5mm
10.95mm
Lug Width
22mm
20mm
Material
high-strength
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
2000m
200m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied

Movement

2 specs
Caliber
SW300-1
Sellita SW200
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$3,488
$990
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