Side by side

Bremont Supermarine 300MvsChristopher Ward C65 Dune Aeolian

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
C65 Dune Aeolian
Christopher WardC65 Dune Aeolian
MSRP $1,335

At a glance

16 of 29 specs differ
Diameter
Supermarine 300M40mm
C65 Dune Aeolian43.6mm
Power Reserve
Supermarine 300M40h
C65 Dune Aeolian38h
Water Resistance
Supermarine 300M300m
C65 Dune Aeolian150m
MSRP
Supermarine 300M$3,550
C65 Dune Aeolian$1,335

Full specifications

Case

8 specs
Category
Diver
Diameter
40mm
43.6mm
Thickness
12mm
11.7mm
Lug-to-Lug
43.6mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
150m
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Green
Blue
Lume
None
SLN BL Grade X1

Movement

5 specs
Caliber
BE-92AE
SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Moonphase, Day-date

Pricing

1 specs
MSRP
$3,550
$1,335

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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.

Christopher Ward C65 Dune Aeolian

The Christopher Ward C65 Dune Aeolian is widely praised for its improved textured dials, offering depth and a departure from common finishes, with owners specifically noting the stunning sandy texture and wavy dial designs. Its 38mm case is consistently highlighted for its comfortable wearability and neat proportions, featuring satin-finished steel and a compact lug-to-lug. The watch is also recognized for its excellent value, solid finishing, and practical features like 150m water resistance and a screw-down crown. Some owners report impressive accuracy, with one noting a COSC-certified movement gained only 4 seconds in five days, while another states accuracy is rated up to 20 seconds per day. The bronze case variant develops a natural, characterful patina. A short 38-hour power reserve is noted as a drawback, and some find the grey dial blends too much with the case or that the logo is abstract.

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