Side by side

Bremont ionBirdvsSeiko 5 Sports SKX series

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

ionBird
BremontionBird
MSRP $5,800
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315

At a glance

13 of 29 specs differ
Diameter
ionBird43mm
5 Sports SKX series28mm
Power Reserve
ionBird40h
5 Sports SKX series40h
Water Resistance
ionBird
5 Sports SKX series100m
MSRP
ionBird$5,800
5 Sports SKX series$315

Full specifications

Case

7 specs
Category
Pilot
Sport
Diameter
43mm
28mm
Thickness
11.2mm
Lug-to-Lug
33.1mm
Lug Width
14mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
2R06
Jewels
25
21

Pricing

1 specs
MSRP
$5,800
$315

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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.

Bremont ionBird

Owners report the Bremont ionBird is overpriced and features a printed dial with a poorly placed date window at 4:30, which some find visually disruptive. However, some owners suggest its case finishing is superior to competitors. The 43mm titanium Bremont ionBird GMT is powered by a COSC-certified BE-93-2AV automatic movement and retails for $5,795. On balance, owners and reviewers find the Bremont ionBird's date window placement and price point to be significant drawbacks.

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.

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