Side by side

Bremont Supermarine 300MvsChristopher Ward Twelve X Black Shadow

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Twelve X Black Shadow
Christopher WardTwelve X Black Shadow
MSRP $5,715

At a glance

16 of 29 specs differ
Diameter
Supermarine 300M40mm
Twelve X Black Shadow44.5mm
Power Reserve
Supermarine 300M40h
Twelve X Black Shadow120h
Water Resistance
Supermarine 300M300m
Twelve X Black Shadow100m
MSRP
Supermarine 300M$3,550
Twelve X Black Shadow$5,715

Full specifications

Case

8 specs
Category
Diver
Skeleton
Diameter
40mm
44.5mm
Thickness
12mm
12.3mm
Lug-to-Lug
44.5mm
Lug Width
20mm
25mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Green
Black
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
BE-92AE
CW-001
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
120h
Jewels
25
31
Complications
None
Moonphase

Pricing

1 specs
MSRP
$3,550
$5,715

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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 Twelve X Black Shadow

Owners and reviewers widely praise the Christopher Ward Twelve X Black Shadow for its exceptional titanium finishing, dynamic case design, and skeletonized COSC-certified SH21 movement with a 120-hour power reserve. Some owners note sharp edges on bracelet links and unfinished interior clasp surfaces, while reviewers mention legibility issues common to skeletonized watches and a thickness of 12.3mm making it feel chunkier than other models. On balance, owners and reviewers rate the Christopher Ward Twelve X Black Shadow highly for its impressive in-house movement and titanium finishing at its price point.

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