Side by side

Bremont Supermarine 300MvsMonta Atlas

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Atlas
MontaAtlas
MSRP $2,150

At a glance

9 of 29 specs differ
Diameter
Supermarine 300M40mm
Atlas38.5mm
Power Reserve
Supermarine 300M40h
Atlas40h
Water Resistance
Supermarine 300M300m
Atlas152m
MSRP
Supermarine 300M$3,550
Atlas$2,150

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
38.5mm
Thickness
12mm
Lug Width
20mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
152m

Crystal & Dial

1 specs
Dial Color
Green
Silver

Movement

1 specs
Caliber
BE-92AE
Monta M-23

Pricing

1 specs
MSRP
$3,550
$2,150

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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.

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.

Monta Atlas

The Monta Atlas is widely praised for its exceptional wearability, with its comfortable 38.5mm case size and buttery bracelet frequently highlighted. Owners and reviewers alike commend its fit and finish, noting a mix of brushed, polished, and blasted surfaces. However, the rehaut on the opaline silver dial is considered nearly illegible for the 24-hour GMT scale, leading some to suggest other dial colors are more practical for GMT functionality. One owner also flagged the crown as less sturdy than anticipated and noted the AR coating attracts fingerprints. Overall, owners and reviewers rate the Monta Atlas highly for its comfortable dimensions and appealing finishing.

From video reviewers

The Monta Opalin Silver's dial is a notable strength, particularly its subtle gradient effect that adds depth to the watch without being too flashy. The watch offers a notable value proposition due to its movement, typically found in more expensive timepieces. The bracelet can be prone to rattle, which might be a trade-off for some buyers.

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