Side by side

Echo/Neutra Averau Ceramic ChronovsSeiko Prospex Sea

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

Averau Ceramic Chrono
Echo/NeutraAverau Ceramic Chrono
MSRP $2,400
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

14 of 29 specs differ
Diameter
Averau Ceramic Chrono42mm
Prospex Sea41.3mm
Power Reserve
Averau Ceramic Chrono56h
Prospex Sea72h
Water Resistance
Averau Ceramic Chrono100m
Prospex Sea300m
MSRP
Averau Ceramic Chrono$2,400
Prospex Sea$1,100

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
42mm
41.3mm
Thickness
14.6mm
12.5mm
Lug-to-Lug
51.5mm
48.2mm
Material
Matte Black Ceramic + Grade 2 Titanium TiFrame
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal Shape
Domed
Flat
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Superluminova BGW9
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW510B-1 elaboré
6R55
Power Reserve
56h
72h
Jewels
27
24
Complications
Chronograph
None

Pricing

1 specs
MSRP
$2,400
$1,100

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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.

Echo/Neutra Averau Ceramic Chrono

The Echo/Neutra Averau Ceramic Chrono is praised for its excellent case finishing, high-quality dial with applied indices, and generous BGW9 lume, with reviewers and owners noting its well-proportioned 39mm dimensions and balanced dial. The black rubber strap is considered surprisingly nice, and the watch offers a competitive package at $1,970. However, the chronograph pushers are not screw-down despite their appearance, and the 100m water resistance should not be used with the chronograph engaged. The 51.5mm lug-to-lug distance is noted as potentially problematic for smaller wrists, and the engagement of the Sellita SW200 movement is described as unremarkable, with the Oyster-style bracelet considered only of reasonable quality. On balance, owners and reviewers rate the Echo/Neutra Averau Ceramic Chrono highly for its sharp design and quality finishing at its price point.

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.

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