Side by side

Momentum AquamaticvsSeiko DressKX

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

Aquamatic
MomentumAquamatic
MSRP $629
DressKX
SeikoDressKX
MSRP $315
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Momentum Aquamatic

Owners widely praise the Momentum Aquamatic for its comfortable fit and finish, particularly at its $200 price point. The Miyota 9015 automatic movement is seen as a significant upgrade over previous iterations, offering good value. Customer service is also noted as responsive. Information on the brand and watch can be scarce. Overall, owners rate the Momentum Aquamatic highly for its excellent value and the quality of the Miyota 9015 movement.

Seiko DressKX

The Seiko 5 Sports SKX series is widely praised as a gateway mechanical watch offering exceptional value and iconic status, with owners appreciating its ruggedness, tool-like authenticity, and moddability. Many owners report the 4R36/NH36 movement achieves accuracy of +/-5 to 10 seconds per day, far exceeding its stated specifications, and the stock Jubilee bracelet is noted as surprisingly comfortable. Some owners find the Seiko 5 Sports SKX series bulky and less aesthetically pleasing than newer models, with others noting its specifications lag behind contemporary watches. The Seiko 5 Sports SKX series is considered a decent watch, especially when found under £200, but it's not the serious tool watch the original SKX was, lacking a screw-down crown, bezel pip, and ISO rating. Overall, owners rate the Seiko 5 Sports SKX series highly for its iconic dive watch lineage and excellent value at the price point.

From video reviewers

The clean dial and versatile dressy look are praised. The overall thickness and handset are points of contention.

At a glance

12 of 29 specs differ
Diameter
Aquamatic42mm
DressKX40mm
Power Reserve
Aquamatic42h
DressKX41h
Water Resistance
Aquamatic200m
DressKX100m
MSRP
Aquamatic$629
DressKX$315

Full specifications

Case

5 specs
Category
Sport
Diameter
42mm
40mm
Thickness
12mm
11.5mm
Lug-to-Lug
46mm
44.6mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9015
4R36
Power Reserve
42h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$629
$315
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