Side by side

Tudor Pelagos FXDvsSinn U18

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

Pelagos FXD
TudorPelagos FXD
MSRP $5,025
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.

Tudor Pelagos FXD

Owners and reviewers widely praise the Tudor Pelagos FXD for its comfortable, lightweight titanium build, excellent legibility underwater, and robust, functional design inspired by military specifications. Its amazing lume, tactile bezel, and quick strap changes are frequently highlighted as key strengths, making it a versatile and reliable tool watch for everyday wear. Some owners note the fixed strap bars and hook-and-loop strap can be less practical for certain clothing, and one review mentions concerns about the longevity of the carbon composite case variant. Accuracy figures range, with some reporting COSC-certified precision while others note less consistent timekeeping requiring frequent servicing. Overall, owners and reviewers rate the Tudor Pelagos FXD highly for its ruggedness, historical connection, and purposeful design at its price point.

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

16 of 29 specs differ
Diameter
Pelagos FXD42mm
U1844mm
Power Reserve
Pelagos FXD70h
U1842h
Water Resistance
Pelagos FXD200m
U182,000m
MSRP
Pelagos FXD$5,025
U18$3,488

Full specifications

Case

7 specs
Diameter
42mm
44mm
Thickness
12.8mm
15.5mm
Lug-to-Lug
0mm
Material
Titanium
high-strength
Finish
Brushed + Satin
Water Resistance
200m
2000m
Caseback

Crystal & Dial

4 specs
Crystal Shape
AR Coating
Dial Color
Blue
Black
Indices

Movement

4 specs
Caliber
MT5602
Sellita SW300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
42h
Jewels
0
25

Pricing

1 specs
MSRP
$5,025
$3,488
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