Side by side

Echo/Neutra Averau Ceramic 3HvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

Averau Ceramic 3H
Echo/NeutraAverau Ceramic 3H
MSRP $1,180
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

13 of 29 specs differ
Diameter
Averau Ceramic 3H42mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Averau Ceramic 3H41h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Averau Ceramic 3H100m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Averau Ceramic 3H$1,180
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

5 specs
Category
Diver
Thickness
10.5mm
12.9mm
Lug-to-Lug
51.5mm
48.6mm
Material
Matte Black Ceramic + Grade 2 Titanium TiFrame
Stainless Steel
Water Resistance
100m
200m

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 SW200-1 elaboré
6R54
Power Reserve
41h
72h
Jewels
26
24
Complications
Moonphase, Date
None

Pricing

1 specs
MSRP
$1,180
$1,500

Follow this matchup

Get a note when Echo/Neutra Averau Ceramic 3H vs Seiko Prospex Sea 1968 Heritage Diver's GMT gets more votes, a community discussion, or a price drop. No account needed.

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 3H

The Echo/Neutra Averau Ceramic 3H is widely praised for its full lume dial and accessible ceramic and titanium construction. Owners appreciate the quality feel of the bracelet and the reliable Sellita SW200-1 movement, with one noting excellent underwater water resistance. Despite some owners finding the 51.5mm lug-to-lug measurement too large for smaller wrists, another found the 13mm thickness did not feel bulky. There is a split opinion on the double index at 12 o'clock, and one owner reports a loud rotor. On balance, owners and reviewers rate the Echo/Neutra Averau Ceramic 3H highly for its striking full lume dial and innovative material construction at its price point.

Seiko Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.