Side by side

Bremont Supermarine 300MvsSeiko Presage Sharp Edged Series

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Presage Sharp Edged Series
SeikoPresage Sharp Edged Series
MSRP $1,400

At a glance

13 of 29 specs differ
Diameter
Supermarine 300M40mm
Presage Sharp Edged Series42.2mm
Power Reserve
Supermarine 300M40h
Presage Sharp Edged Series45h
Water Resistance
Supermarine 300M300m
Presage Sharp Edged Series100m
MSRP
Supermarine 300M$3,550
Presage Sharp Edged Series$1,400

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
42.2mm
Thickness
12mm
13.7mm
Lug-to-Lug
49.2mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Green
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
BE-92AE
6R64
Power Reserve
40h
45h
Jewels
25
29

Pricing

1 specs
MSRP
$3,550
$1,400

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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.

Seiko Presage Sharp Edged Series

The Seiko Presage Sharp Edged Series is widely praised for its modern, angular case design and intricate Asanoha dial patterns, with reviewers highlighting its refined finishing and strong cultural significance. Owners and reviewers consistently note the 70-hour power reserve from the 6R35 movement (or 6R38/6R5J in some variants), anti-reflective sapphire crystals, and 10 bar water resistance. The collection is considered competitively priced, offering significant value for its design and build quality. Some models feature a super-hard coating on the case and bracelet. One owner notes the black dial of the SARX083 offers a subtle pop in the light, and another reviewer points out that a 24-hour indicator on certain models is a niche feature. Case sizes vary, with some models at 39.3mm and others at 40.2mm, and thickness ranges from 11.1mm to 11.8mm. Power reserves differ, with some models featuring 45 hours from the 6R21 movement.

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