Side by side

Bremont Supermarine 300MvsBaltic Hermétique Summer

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Hermétique Summer
BalticHermétique Summer
MSRP $594

At a glance

12 of 29 specs differ
Diameter
Supermarine 300M40mm
Hermétique Summer37mm
Power Reserve
Supermarine 300M40h
Hermétique Summer42h
Water Resistance
Supermarine 300M300m
Hermétique Summer150m
MSRP
Supermarine 300M$3,550
Hermétique Summer$594

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
37mm
Thickness
12mm
10.8mm
Lug-to-Lug
46mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Green
Orange
Lume
None
BGW9

Movement

2 specs
Caliber
BE-92AE
Miyota 9039
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$3,550
$594

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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.

Baltic Hermétique Summer

Reviewers highlight the Baltic Hermétique Summer's compact 37mm brushed case with a polished bezel and 150 meters of water resistance. The watch features glossy dials in bright colors with raised BGW9 Super-LumiNova indices that emit a strong blue glow, and it comes with color-matched FKM rubber straps or Baltic bracelets. The Miyota 9039 movement supports hacking and hand-winding. However, the recessed crown can be difficult to manipulate if fingernails are not long enough, and the movement has a stated accuracy of -10/+30 seconds per day. Overall, reviewers praise the Baltic Hermétique Summer for its well-balanced, colorful dials and strong lume at an affordable price point.

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