Side by side

Sinn U18vsWilliam Wood Triumph Chronograph

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

U18
SinnU18
MSRP $3,488
Triumph Chronograph
William WoodTriumph Chronograph
MSRP $2,525
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.

William Wood Triumph Chronograph

The William Wood Triumph Chronograph is a Swiss-made chronograph featuring a 41mm stainless steel case and a Sellita SW510 movement. Reviewers highlight its firefighting-inspired design, including a sandwich dial, unique sub-dials, and upcycled fire hose straps. The watch has a 48-hour power reserve, though the movement is often credited with up to 56 hours. Its 16.5mm height and 49.5mm lug-to-lug measurement mean it wears large on a 7-inch wrist, and the handset is described as flat and blocky. Overall, reviewers appreciate the novel design elements and thematic execution of the William Wood Triumph Chronograph.

At a glance

16 of 29 specs differ
Diameter
U1844mm
Triumph Chronograph41mm
Power Reserve
U1842h
Triumph Chronograph40h
Water Resistance
U182,000m
Triumph Chronograph100m
MSRP
U18$3,488
Triumph Chronograph$2,525

Full specifications

Case

9 specs
Category
Diver
Chronograph
Diameter
44mm
41mm
Thickness
15.5mm
16mm
Lug-to-Lug
49.5mm
Lug Width
22mm
20mm
Material
high-strength
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
2000m
100m
Caseback
Solid

Crystal & Dial

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

Movement

2 specs
Caliber
SW300-1
Sellita SW510
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$3,488
$2,525
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