Side by side

Boldr BOLDR x NitecorevsSinn U50 SDR with TEGIMENT option

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

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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 U50 SDR with TEGIMENT option

The Sinn U50 SDR with TEGIMENT option is widely praised for its robust submarine steel construction, impressive 50bar water resistance, and excellent anti-reflective coating. Owners and reviewers highlight its toolish, legible dial, satisfyingly tactile bezel, and the outstanding scratch resistance provided by the TEGIMENT hardening. Some owners note the lume is underwhelming, and a few find the clasp aesthetically large and chunky despite its functional diver's extension. Overall, owners and reviewers rate the Sinn U50 SDR with TEGIMENT option highly for its exceptional build quality and scratch resistance at its price point.

At a glance

18 of 29 specs differ
Diameter
BOLDR x Nitecore38mm
U50 SDR with TEGIMENT option41mm
Power Reserve
BOLDR x Nitecore
U50 SDR with TEGIMENT option38h
Water Resistance
BOLDR x Nitecore200m
U50 SDR with TEGIMENT option500m
MSRP
BOLDR x Nitecore$449
U50 SDR with TEGIMENT option$3,326

Full specifications

Case

7 specs
Diameter
38mm
41mm
Thickness
12.8mm
11.2mm
Lug-to-Lug
44mm
Material
Titanium
Stainless Steel
Finish
bead-blasted
Water Resistance
200m
500m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Yes
Underside
Dial Color
The Kraken by BOLDR x Nitecore
Black
Indices
Lume
Super-LumiNova
Luminescent

Movement

5 specs
Caliber
Seiko NH35
Sellita SW300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
38h
Jewels
0
25
Complications
None
Date

Pricing

1 specs
MSRP
$449
$3,326
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