Side by side

Christopher Ward Twelve X Black ShadowvsSeiko Prospex Sea

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

Twelve X Black Shadow
Christopher WardTwelve X Black Shadow
MSRP $5,715
Prospex Sea
SeikoProspex Sea
MSRP $900

At a glance

15 of 29 specs differ
Diameter
Twelve X Black Shadow44.5mm
Prospex Sea41mm
Power Reserve
Twelve X Black Shadow120h
Prospex Sea70h
Water Resistance
Twelve X Black Shadow100m
Prospex Sea200m
MSRP
Twelve X Black Shadow$5,715
Prospex Sea$900

Full specifications

Case

6 specs
Category
Skeleton
Diver
Diameter
44.5mm
41mm
Lug-to-Lug
44.5mm
46.9mm
Lug Width
25mm
20mm
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
CW-001
6R35
Beat Rate
4 vph
28,800 vph
Power Reserve
120h
70h
Jewels
31
24
Complications
Moonphase
None

Pricing

1 specs
MSRP
$5,715
$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.

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.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

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