Side by side

Bremont Supermarine 300MvsMaen Grand Tonneau Ultra Thin

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519

At a glance

9 of 29 specs differ
Diameter
Supermarine 300M40mm
Grand Tonneau Ultra Thin34mm
Power Reserve
Supermarine 300M40h
Grand Tonneau Ultra Thin40h
Water Resistance
Supermarine 300M300m
Grand Tonneau Ultra Thin50m
MSRP
Supermarine 300M$3,550
Grand Tonneau Ultra Thin$1,519

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
34mm
Thickness
12mm
6.4mm
Lug Width
20mm
Material
904L Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

1 specs
Dial Color
Green
MNL.04

Movement

1 specs
Caliber
BE-92AE

Pricing

1 specs
MSRP
$3,550
$1,519

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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.

Maen Grand Tonneau Ultra Thin

Owners widely report the Maen Grand Tonneau Ultra Thin features a La Joux-Perret D101 manual-wind movement and a double-layer enamel dial. Some owners criticize the bracelet design and find the dial too small and lacking indices. One owner describes the Maen Grand Tonneau Ultra Thin as "hideous with a good movement." On balance, owners are divided on the Maen Grand Tonneau Ultra Thin, with some appreciating its movement and dial while others find its design unappealing.

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