Side by side

Boldr BOLDR x NitecorevsSinn U18

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

BOLDR x Nitecore
BoldrBOLDR x Nitecore
MSRP $449
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.

BOLDR x Nitecore

BOLDR x Nitecore is widely praised for its lightweight 38mm PVD titanium case, excellent legibility, and perfect sizing. Owners and reviewers highlight the unique, topographical map-inspired dial offering fantastic depth, complemented by color-matched Old-Radium C3 lume and subtle branding. The watch is described as durable and powerfully lumed, with the included Nitecore TIKI torch capable of boosting its glow. On balance, owners and reviewers rate the BOLDR x Nitecore highly for its exceptional lume and distinctive dial 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
BOLDR x Nitecore38mm
U1844mm
Power Reserve
BOLDR x Nitecore40h
U1842h
Water Resistance
BOLDR x Nitecore200m
U182,000m
MSRP
BOLDR x Nitecore$449
U18$3,488

Full specifications

Case

8 specs
Diameter
38mm
44mm
Thickness
12.8mm
15.5mm
Lug-to-Lug
44mm
Lug Width
20mm
22mm
Material
Titanium
high-strength
Finish
Brushed and polished
Water Resistance
200m
2000m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
The Kraken by BOLDR x Nitecore
Black
Indices
Applied
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Seiko NH35A
SW300-1
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$449
$3,488
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