Side by side

Phoibos Great WallvsSinn U18

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

Great Wall
PhoibosGreat Wall
MSRP $465
U18
SinnU18
MSRP $3,488
What people say

Owners + reviewers, side by side

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

Phoibos Great Wall

The Phoibos Great Wall is widely praised by owners for its solid build quality and impressive wrist presence. Reviewers highlight the metallic 3D brick pattern on the dial as a distinctive feature. Overall, owners rate the Phoibos Great Wall highly for its robust construction and unique dial design.

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.

At a glance

15 of 29 specs differ
Diameter
Great Wall42mm
U1844mm
Power Reserve
Great Wall40h
U1842h
Water Resistance
Great Wall300m
U182,000m
MSRP
Great Wall$465
U18$3,488

Full specifications

Case

7 specs
Diameter
42mm
44mm
Thickness
12mm
15.5mm
Lug-to-Lug
48mm
Material
Stainless Steel
high-strength
Finish
Brushed and polished
Water Resistance
300m
2000m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Green
Black
Indices
Applied
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9015
SW300-1
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$465
$3,488
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