Side by side

Signum CudavsSeiko Prospex Sea

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

Cuda
SignumCuda
MSRP $499
Prospex Sea
SeikoProspex Sea
MSRP $1,100
What people say

Owners + reviewers, side by side

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

Signum Cuda

Owners widely praise the Signum Cuda's distinctive dials, with the Lapis Lazuli and thermally blued meteorite noted for their unique play of light. The lume on the bezel and markers is also a highlight, described as fantastic and "god tier" by some. However, multiple owners criticize the lume on the hands for significantly underperforming compared to other watches, rendering them unreadable in low light. One owner reported condensation inside the watch after light use, questioning build quality, while another stated their Cuda has been fine in water. On balance, owners appreciate the unique dial options and strong bezel/marker lume on the Signum Cuda, despite consistent criticism regarding the hand lume.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

At a glance

14 of 29 specs differ
Diameter
Cuda42.5mm
Prospex Sea41.3mm
Power Reserve
Cuda
Prospex Sea72h
Water Resistance
Cuda200m
Prospex Sea300m
MSRP
Cuda$499
Prospex Sea$1,100

Full specifications

Case

7 specs
Category
Diver
Diameter
42.5mm
41.3mm
Thickness
13.6mm
12.5mm
Lug-to-Lug
48mm
48.2mm
Lug Width
22mm
20mm
Material
Bronze
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
SuperLuminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
6R55
Power Reserve
72h
Jewels
25
24

Pricing

1 specs
MSRP
$499
$1,100
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