Side by side

Echo/Neutra 1956 GMTvsBremont Supermarine 300M

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

1956 GMT
Echo/Neutra1956 GMT
MSRP $1,560
Supermarine 300M
BremontSupermarine 300M
MSRP $3,550

At a glance

13 of 29 specs differ
Diameter
1956 GMT40mm
Supermarine 300M40mm
Power Reserve
1956 GMT42h
Supermarine 300M40h
Water Resistance
1956 GMT100m
Supermarine 300M300m
MSRP
1956 GMT$1,560
Supermarine 300M$3,550

Full specifications

Case

6 specs
Category
GMT
Diver
Thickness
11.9mm
12mm
Lug-to-Lug
46mm
Material
316L Stainless Steel
904L Stainless Steel
Finish
Satin
Brushed and polished
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal Shape
Ultra-domed
Flat
Dial Color
Black
Green
Lume
Superluminova Old Radium / BGW9
None

Movement

3 specs
Caliber
Sellita SW330 elaboré
BE-92AE
Power Reserve
42h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$1,560
$3,550

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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 1956 GMT

The Echo/Neutra 1956 GMT is lauded for its wearable 40mm size, 100m water resistance, and a 12-hour GMT complication that maintains a clean dial. Reviewers highlight its attractive retro design and superb case finishing for the price, featuring sharp edges and fine brushing. The GMT display is considered more intuitive than standard 24-hour bezels, and the 12.7mm case height contributes to its wearability. Some reviewers found the dial either too busy or too empty, and the telemeter scale is noted as not particularly useful. On balance, reviewers praise the Echo/Neutra 1956 GMT for its retro design, functional GMT complication, and excellent case finishing at its price point.

From video reviewers

The Sellita SW330 GMT movement is a shared strength. Reviewers did not agree on a specific weakness.

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

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