Side by side

Boldr BOLDR x NitecorevsSeiko 5 Sports SKX series

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

The bottom line

The 28mm 5 Sports SKX series wears 10mm narrower than the 38mm BOLDR x Nitecore — that's a meaningful jump on most wrists.

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.

Seiko 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

Where to get them

Check prices & track

BOLDR x Nitecore
BOLDR x Nitecore
MSRP $449
Seiko 5 Sports SKX series
Seiko 5 Sports SKX series
MSRP $315
BOLDR x Nitecore
BoldrBOLDR x Nitecore
MSRP $449
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315

At a glance

14 of 29 specs differ
Diameter
BOLDR x Nitecore38mm
5 Sports SKX series28mm
Power Reserve
BOLDR x Nitecore40h
5 Sports SKX series40h
Water Resistance
BOLDR x Nitecore200m
5 Sports SKX series100m
MSRP
BOLDR x Nitecore$449
5 Sports SKX series$315

Full specifications

Case

7 specs
Category
Diver
Sport
Diameter
38mm
28mm
Thickness
12.8mm
11.2mm
Lug-to-Lug
44mm
33.1mm
Lug Width
20mm
14mm
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Dial Color
The Kraken by BOLDR x Nitecore
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko NH35A
2R06
Jewels
25
21

Pricing

1 specs
MSRP
$449
$315

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