Side by side

Serica Ref. 5303 Diving ChronometervsEcho/Neutra Averau 39 Moon Phase

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

Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
Averau 39 Moon Phase
Echo/NeutraAverau 39 Moon Phase
MSRP $1,085

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Averau 39 Moon Phase39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Averau 39 Moon Phase38h
Water Resistance
Ref. 5303 Diving Chronometer300m
Averau 39 Moon Phase100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Averau 39 Moon Phase$1,085

Full specifications

Case

6 specs
Category
Diver
Thickness
12.2mm
12.5mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Yes
Underside
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
Superluminova BGW9

Movement

3 specs
Caliber
M100 COSC
Sellita SW280-1 elaboré
Power Reserve
42h
38h
Complications
COSC
Moon Phase

Pricing

1 specs
MSRP
$1,768
$1,085

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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.

Serica Ref. 5303 Diving Chronometer

Owners widely praise the Serica Ref. 5303 Diving Chronometer for its excellent wearability, definitive style, and smooth, confident bezel action. The dual scale on the bezel is noted as surprisingly useful, and the crown action, winding, and hacking are reported to work perfectly. One owner describes the Serica 5303-3 as gorgeous and unique, though another notes the crown can appear comically large. On balance, owners rate the Serica Ref. 5303 Diving Chronometer highly for its blend of unique design and robust functionality.

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.

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