Side by side

Bremont Supermarine 300MvsTudor Pelagos Ultra

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Pelagos Ultra
TudorPelagos Ultra
MSRP $6,900

At a glance

18 of 29 specs differ
Diameter
Supermarine 300M40mm
Pelagos Ultra40mm
Power Reserve
Supermarine 300M40h
Pelagos Ultra65h
Water Resistance
Supermarine 300M300m
Pelagos Ultra1,000m
MSRP
Supermarine 300M$3,550
Pelagos Ultra$6,900

Full specifications

Case

7 specs
Thickness
12mm
14.5mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Titanium
Finish
Brushed and polished
Satin
Water Resistance
300m
1000m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Black
Indices
Applied

Movement

6 specs
Caliber
BE-92AE
MT5612-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$3,550
$6,900

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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.

Tudor Pelagos Ultra

The Tudor Pelagos Ultra is praised for its 1000 meters of water resistance, METAS-certified Calibre MT5612-U movement, and fully lumed dial and bezel. Reviewers highlight its titanium case and self-adjusting clasp as key features. The Tudor Pelagos Ultra is slightly larger at 43mm than some other models in the line but wears comfortably. Overall, owners and reviewers rate the Tudor Pelagos Ultra highly for its technical specifications and comfortable wearability as a flagship dive watch.

From video reviewers

The Tudor Pelagos Ultra's all-titanium construction provides a lightweight and durable case. One weakness is the lack of lume brightness. Reviewers disagree on whether the helium release valve is a notable feature or a drawback for a more streamlined design.

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