Side by side

Christopher Ward Twelve X Black ShadowvsSeiko Prospex Sea Save the Ocean Special Edition

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

At a glance

15 of 29 specs differ
Diameter
Twelve X Black Shadow44.5mm
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
Twelve X Black Shadow120h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Twelve X Black Shadow100m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Twelve X Black Shadow$5,715
Prospex Sea Save the Ocean Special Edition$650

Full specifications

Case

7 specs
Category
Skeleton
Diver
Diameter
44.5mm
43.8mm
Thickness
12.3mm
12.8mm
Lug-to-Lug
44.5mm
48.7mm
Lug Width
25mm
22mm
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
100m
200m

Crystal & Dial

2 specs
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
4R35
Beat Rate
4 vph
28,800 vph
Power Reserve
120h
41h
Jewels
31
23
Complications
Moonphase
None

Pricing

1 specs
MSRP
$5,715
$650

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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 Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea Save the Ocean Special Edition for its exceptional and captivating dial designs, often described as a highlight that evokes ocean surfaces with unique textures and color gradients. The watch is frequently noted for its excellent value, with some reviewers comparing its aesthetics to much higher-priced brands. Owners report satisfactory lume and accurate timekeeping, with figures ranging from +5 seconds per day to more precise results. However, some owners and reviewers point to the bracelet clasp as a point of criticism, describing it as underwhelming or flimsy, and some find the watch to be top-heavy. There are also mentions of imperfect day/date wheel alignment and occasional bezel alignment issues on some models within the line. The Seiko Prospex Sea Save the Ocean Special Edition is available in various case sizes, with some owners questioning if certain dimensions are too bulky for daily wear.

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