Echo/Neutra Averau 39 3HvsLongines ULTRA-CHRON CLASSIC


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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.

Averau 39 3H

ULTRA-CHRON CLASSIC
Diameter
39mm
40mm
Lug-to-Lug
46mm
lowest
47.2mm
Thickness
11.3mm
10.9mm
lowest
Water Resistance
100m
highest
30m
Power Reserve
41h
72h
highest
MSRP
$840
lowest
$4,000
Movement
Sellita SW200-1
Longines L836.6
Case
8 specsCrystal & Dial
5 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Echo/Neutra Averau 39 3H for its good finishing and crisp edges at its price point, with one owner noting the teal lume's variegation. The 39mm case is considered robust rather than slender, and the winding action is buttery smooth. However, the dial's complexity can make at-a-glance time-telling difficult when hands overlap batons, and the clasp on the H-link bracelet is considered adequate but a letdown compared to the rest of the watch. Overall, owners rate the Echo/Neutra Averau 39 3H highly for its excellent finishing and smooth winding feel at the price, despite minor legibility and clasp concerns.
The Averau 39 3H is praised for its versatile 39mm case size and 100m water resistance. Reviewers noted the clasp as a drawback, though some felt this was common in its price segment.
The Longines ULTRA-CHRON CLASSIC is widely praised for its high-beat 5Hz L836.6 movement, which offers exceptional accuracy and a smooth seconds hand, with some owners considering it a bargain for these features. Reviewers highlight its successful retro design, faithful to 1960s aesthetics with modern updates like a sapphire crystal and micro-adjustment clasp. Owners note the comfortable bracelet and striking, sparkling indices against a sunray silver dial. Some find the 40mm case wears larger than expected, with several suggesting the 37mm version offers superior wearability. One owner desires a version without a date window, and the dial is described as stark. The 30m water resistance is noted as not exceptional. Overall, owners and reviewers rate the Longines ULTRA-CHRON CLASSIC highly for its blend of vintage charm and modern high-frequency movement performance at its price point.
The watch's high-beat movement, certified by TimeLab Geneva as an Ultra-Chronometer, is a notable feature. The relatively high price compared to its competitors is a drawback. Reviewers disagree on the optimal case size, with one reviewer mentioning 41mm and 43mm, and the other mentioning 37mm and 40mm.
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