Side by side

Bremont Supermarine 300MvsPraesidus A-5 UDT

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
A-5 UDT
PraesidusA-5 UDT
MSRP $645

At a glance

8 of 29 specs differ
Diameter
Supermarine 300M40mm
A-5 UDT38mm
Power Reserve
Supermarine 300M40h
A-5 UDT40h
Water Resistance
Supermarine 300M300m
A-5 UDT200m
MSRP
Supermarine 300M$3,550
A-5 UDT$645

Full specifications

Case

4 specs
Diameter
40mm
38mm
Thickness
12mm
Material
904L Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Green
Blue

Movement

1 specs
Caliber
BE-92AE
Miyota 9015

Pricing

1 specs
MSRP
$3,550
$645

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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.

Praesidus A-5 UDT

The Praesidus A-5 UDT is noted for its historically inspired design, featuring an oversized crown cap and chain that pays homage to WW2 canteen watches. Reviewers highlight its functional dial with embossed, Super-LumiNova filled numerals and markers for legibility, alongside 200m water resistance and a 38mm brushed stainless steel case. Some owners find the 11.7mm thickness problematic, describing it as disproportionately tall. The watch's ana/digi functionality and connection to special operations forces are also praised. On balance, owners and reviewers appreciate the Praesidus A-5 UDT for its unique historical design elements and functional dial.

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