Side by side

Bremont Supermarine 300MvsSinn EZM 3 S

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
EZM 3 S
SinnEZM 3 S
MSRP $3,046

At a glance

16 of 29 specs differ
Diameter
Supermarine 300M40mm
EZM 3 S41mm
Power Reserve
Supermarine 300M40h
EZM 3 S38h
Water Resistance
Supermarine 300M300m
EZM 3 S500m
MSRP
Supermarine 300M$3,550
EZM 3 S$3,046

Full specifications

Case

6 specs
Diameter
40mm
41mm
Thickness
12mm
12.3mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
bead-blasted, black
Water Resistance
300m
500m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Green
Black
Indices
Applied
Lume
None
Luminescent

Movement

4 specs
Caliber
BE-92AE
SW200-1
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Date

Pricing

1 specs
MSRP
$3,550
$3,046

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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.

Sinn EZM 3 S

The Sinn EZM 3 S is a tactical dive watch built for extreme conditions, featuring a 500-meter depth rating and Tegiment technology for enhanced scratch resistance. It is powered by a Sellita SW200-1 movement, offering a 38-hour power reserve. On balance, reviewers highlight its robust build and purpose-driven design for demanding environments.

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