Side by side

Echo/Neutra Averau 39 Moon PhasevsSartory Billard SB04

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

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 Moon Phase

Owners widely praise the Echo/Neutra Averau 39 Moon Phase for its clear dial, excellent lume, and the unique, readable moon phase complication, with many finding the 39mm size perfect for a field watch and appreciating the overall finishing and bracelet quality. Some owners find setting the moon phase requires frequent adjustment and can be difficult to set accurately, while one owner noted the moon phase model is thicker than anticipated but still wears well. On balance, owners rate the Echo/Neutra Averau 39 Moon Phase highly for its distinctive design and strong value.

From video reviewers

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.

Sartory Billard SB04

Owners widely praise the Sartory Billard SB04 for its unique, tech-inspired, and highly customizable dials, with many describing the craftsmanship and physical depth as "next level" and a "true masterpiece." The watch is noted for its modern wearing experience and light-catching qualities, with one owner calling it a "gorgeous piece." Some owners find the steel casebacks slightly sharp due to deep laser cutting, and one notes the hands can be difficult to see depending on the viewing angle. The Sartory Billard SB04 is powered by the La Joux-Perret G100 automatic movement. Overall, owners and reviewers rate the Sartory Billard SB04 highly for its exceptional dial artistry and customization at its price point.

From video reviewers

The dial's textured finish and color shift are highlighted as a key strength. The bracelet's perceived lack of refinement and end-link fit are noted as a drawback. Reviewers disagree on the case size, with mentions of 35.9mm and 40mm.

At a glance

18 of 29 specs differ
Diameter
Averau 39 Moon Phase39mm
SB0440mm
Power Reserve
Averau 39 Moon Phase38h
SB04
Water Resistance
Averau 39 Moon Phase100m
SB0430m
MSRP
Averau 39 Moon Phase$1,085
SB04$2,900

Full specifications

Case

8 specs
Category
Dress
Diameter
39mm
40mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46mm
45.5mm
Lug Width
0mm
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Water Resistance
100m
30m

Crystal & Dial

4 specs
Crystal Shape
Domed
AR Coating
Underside
Yes
Dial Color
Black
Lume
Superluminova BGW9
None

Movement

5 specs
Caliber
Sellita SW280-1 elaboré
La Joux-Perret G100
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
0h
Jewels
25
0
Complications
Moon Phase
None

Pricing

1 specs
MSRP
$1,085
$2,900
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.

Follow this matchup

Get a note when Echo/Neutra Averau 39 Moon Phase vs Sartory Billard SB04 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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