Side by side

Christopher Ward Twelve X Black ShadowvsSeiko King Turtle

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
King Turtle
SeikoKing Turtle
MSRP $650
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 King Turtle

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many appreciating its faithful recreation of classic designs and proven movements like the 4R36 and 6R15. Reviewers highlight impressive case finishing and durability, noting that even larger models wear smaller than expected due to thoughtful case design. Some owners find the solar quartz models a great entry point, appreciating their design and solar functionality. However, specific variants receive critiques: the bracelet clasp on the Samurai is described as underwhelming, and the Sumo's bracelet width and clasp are seen as too narrow and rudimentary, respectively. The SPB183 is considered expensive for a Japanese watch, and its lume is noted as not quite matching older Seiko Monster models. The GMT function on the SPB519 is deemed less practical for serious travel, and its bezel clicks are described as quieter and mushier.

At a glance

15 of 29 specs differ
Diameter
Twelve X Black Shadow44.5mm
King Turtle45mm
Power Reserve
Twelve X Black Shadow120h
King Turtle41h
Water Resistance
Twelve X Black Shadow100m
King Turtle200m
MSRP
Twelve X Black Shadow$5,715
King Turtle$650

Full specifications

Case

7 specs
Category
Skeleton
Diver
Diameter
44.5mm
45mm
Thickness
12.3mm
13.2mm
Lug-to-Lug
44.5mm
47.7mm
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 and index(es)

Movement

5 specs
Caliber
CW-001
4R36
Beat Rate
4 vph
28,800 vph
Power Reserve
120h
41h
Jewels
31
24
Complications
Moonphase
None

Pricing

1 specs
MSRP
$5,715
$650
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