Echo/Neutra Averau 39 Moon PhasevsLongines 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 Moon Phase

ULTRA-CHRON CLASSIC
Diameter
39mm
40mm
Lug-to-Lug
46mm
lowest
47.2mm
Thickness
12.5mm
10.9mm
lowest
Water Resistance
100m
highest
30m
Power Reserve
38h
72h
highest
MSRP
$1,085
lowest
$4,000
Movement
Sellita SW280-1
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 Moon Phase for its excellent 39mm size, gorgeous dial, and unique moon phase complication, with many highlighting its clear display and great detail and finishing. The watch is noted for its heavily lumed hands and indicators, providing excellent night visibility, and an amazing bracelet with great overall fit and finish. Some owners find the moon phase complication difficult to set accurately, while others describe it as easy to set. One owner found the watch thicker than expected, though it sits well on the wrist. Overall, owners rate the Echo/Neutra Averau 39 Moon Phase highly for its unique design elements and impressive finishing at the 39mm size.
The moon phase complication is a notable strength, integrating a high-end feature into a field watch design. Reviewers did not reach a consensus on any specific weaknesses.
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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