Side by side

Bremont Supermarine 300MvsChristopher Ward C63 Valour

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
C63 Valour
Christopher WardC63 Valour
MSRP $1,050

At a glance

16 of 29 specs differ
Diameter
Supermarine 300M40mm
C63 Valour45.8mm
Power Reserve
Supermarine 300M40h
C63 Valour40h
Water Resistance
Supermarine 300M300m
C63 Valour150m
MSRP
Supermarine 300M$3,550
C63 Valour$1,050

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
40mm
45.8mm
Thickness
12mm
11.55mm
Lug-to-Lug
45.8mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
150m
Caseback
Solid
Engraved

Crystal & Dial

2 specs
Dial Color
Green
Black
Lume
None
SLN X1 BL C1

Movement

5 specs
Caliber
BE-92AE
G10
Type
Automatic
Quartz
Beat Rate
28,800 vph
768 vph
Jewels
25
4
Complications
None
Chronograph, Moonphase

Pricing

1 specs
MSRP
$3,550
$1,050

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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 C63 Valour

Owners widely praise the Christopher Ward C63 Valour for its beautiful, deep dial with 3D applied markers and symmetric chronograph design, with some calling it one of the best-looking and most affordable chronographs available. Reviewers note the 39mm wide, 11.55mm thick Light-catcher case with flowing curves and contrasting finishes. The watch is powered by a thermocompensated, chronometer-certified quartz ETA G10.212 AD movement, with ETA claiming ±10 seconds per year accuracy via PreciDrive technology. However, some owners question the use of a quartz movement in a watch of this caliber, though others defend it for reliability and thinner profiles, while also debating if its claimed accuracy meets High Accuracy Quartz (HAQ) standards. Overall, owners and reviewers appreciate the Christopher Ward C63 Valour for its striking aesthetics and value, with the primary point of contention being its quartz movement.

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