Side by side

Bremont Supermarine 300MvsSinn EZM 3F

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
EZM 3F
SinnEZM 3F
MSRP $1,933

At a glance

17 of 29 specs differ
Diameter
Supermarine 300M40mm
EZM 3F41mm
Power Reserve
Supermarine 300M40h
EZM 3F38h
Water Resistance
Supermarine 300M300m
EZM 3F200m
MSRP
Supermarine 300M$3,550
EZM 3F$1,933

Full specifications

Case

7 specs
Category
Diver
Tool
Diameter
40mm
41mm
Thickness
12mm
11.7mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
bead-blasted
Water Resistance
300m
200m
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, Pilot's Bezel

Pricing

1 specs
MSRP
$3,550
$1,933

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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 3F

Owners widely praise the Sinn EZM 3F for its excellent legibility, robust bead-blasted build, and practical left-hand crown, with some noting its compact, slim wearability and smart appearance on a bracelet. One owner flags minor finishing imperfections and an awkward date window placement, and expresses a desire for tegimented scratch resistance. Overall, owners rate the Sinn EZM 3F highly for its practical mission timer design and compact wearability.

From video reviewers

The Sinn EZM 3F's Ar-Dehumidifying Technology for fogging prevention and temperature resistance is a key strength. Reviewers noted the bracelet lacked on-the-fly micro-adjustment and diver's extensions.

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