Side by side

Echo/Neutra Averau 39 3HvsLongines ULTRA-CHRON CLASSIC

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

Averau 39 3H
Echo/NeutraAverau 39 3H
MSRP $840
ULTRA-CHRON CLASSIC
LonginesULTRA-CHRON CLASSIC
MSRP $3,900

At a glance

21 of 29 specs differ
Diameter
Averau 39 3H39mm
ULTRA-CHRON CLASSIC37mm
Power Reserve
Averau 39 3H41h
ULTRA-CHRON CLASSIC52h
Water Resistance
Averau 39 3H100m
ULTRA-CHRON CLASSIC50m
MSRP
Averau 39 3H$840
ULTRA-CHRON CLASSIC$3,900

Full specifications

Case

8 specs
Diameter
39mm
37mm
Thickness
11.3mm
10.95mm
Lug-to-Lug
46mm
44.6mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Water Resistance
100m
50m
Caseback
Solid
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
Domed
AR Coating
Inner
Both sides
Dial Color
Black
Silver
Indices
Applied
Applied indexes
Lume
Superluminova BGW9
Super-LumiNova

Movement

7 specs
Caliber
Sellita SW200-1 elaboré
L836.6
Beat Rate
28,800 vph
36,000 vph
Power Reserve
41h
52h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Moonphase, Date
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$840
$3,900

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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 39 3H

Owners widely praise the Echo/Neutra Averau 39 3H's good finishing for its price and crisp, contrasting surfaces. One owner notes the dial's complexity can make reading the time at a glance difficult when hands overlap batons. The 39mm watch is described as robust, not slender, with teal/turquoise lume that shows variegation. On balance, owners and reviewers find the Echo/Neutra Averau 39 3H to be a well-finished watch for its price, despite minor legibility challenges.

Longines ULTRA-CHRON CLASSIC

The Longines ULTRA-CHRON CLASSIC is widely praised for its faithful retro design, high-beat 5Hz movement offering greater precision and a smooth seconds hand, and its value proposition as a new 5Hz watch. Reviewers highlight the L836.6 caliber's TimeLab "ultra chronometer" certification for superior accuracy and shock recovery, and owners find the bracelet very comfortable with easy micro-adjust. Some owners note the design appears dated, and one reviewer points out the dial lacks luminescence and water resistance is only 50m. Owners are split on sizing, with some finding the 40mm case wears larger than expected and recommending the 37mm version. Overall, owners and reviewers rate the Longines ULTRA-CHRON CLASSIC highly for its blend of vintage aesthetics, modern high-beat movement performance, and comfortable wearability.

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