Pompeak Sub-AquaticvsSeiko 5KX

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Pompeak Sub-Aquatic at true scale

Sub-Aquatic

Seiko 5KX at true scale

5KX

Diameter

40mm

42.5mm

Lug-to-Lug

48mm

46mm

lowest

Thickness

13mm

lowest

13.4mm

Water Resistance

200m

highest

100m

Power Reserve

38h

41h

highest

MSRP

$915

$350

lowest

Movement

Sellita SW200-1

Seiko 4R36

Case

6 specs
Diameter
40mm
42.5mm
Thickness
13mm
13.4mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 4R36
Power Reserve
38h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$915
$350
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Reviews

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

Pompeak Sub-Aquatic

The Pompeak Sub-Aquatic is widely praised for its exceptional value, with owners highlighting its 904L stainless steel construction, Swiss Sellita SW200-1 movement, and ceramic bezel insert. The fit and finish are considered superior to lesser alternatives, and the bracelet receives particular commendation. One owner specifically points to the pleasing color gradient on the waffle dial as a standout feature. Overall, owners rate the Pompeak Sub-Aquatic highly for its exceptional quality and stupendous value for money.

Seiko 5KX

Owners widely praise the Seiko 5KX for its strong lume and value, with many reporting accuracy within +/-5 to 10 seconds per day, though some experience +/-1 second. The 42.5mm case is noted to wear smaller, and the watch offers a comfortable feel for many. Some owners are split on the bracelet quality, with opinions ranging from "cheaper side" with hollow links to "flimsy-feeling" jubilee. A few quality control issues have been reported, including a failed bezel clickspring and misaligned components. The Seiko 5KX is seen by some as a worthy successor to the original SKX, offering an upgraded movement with hacking and hand-winding capabilities, though others lament the loss of ISO certification and a screw-down crown. Overall, owners rate the Seiko 5KX highly for its excellent lume and value proposition, making it a popular choice for everyday wear.