Side by side

Christopher Ward Twelve X (Ti)vsSeiko Prospex Sea

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

Twelve X (Ti)
Christopher WardTwelve X (Ti)
MSRP $5,375
Prospex Sea
SeikoProspex Sea
MSRP $625
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 (Ti)

The Christopher Ward Twelve X (Ti) is praised for its exceptionally finished, lightweight titanium case and COSC-certified, skeletonized SH21 movement offering a 120-hour power reserve. Reviewers note its comfortable wearability due to the rounded case shape, despite a 12.3mm thickness, and highlight the micro-adjust clasp. Legibility is considered good for a skeletonized watch, though reduced compared to standard dials. One reviewer points out that the case chamfers may be prone to dings and the movement finishing does not reach higher-end standards. Overall, reviewers rate the Christopher Ward Twelve X (Ti) highly for its impressive case finishing and the value of its COSC-certified, in-house skeletonized movement.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

At a glance

16 of 29 specs differ
Diameter
Twelve X (Ti)46.3mm
Prospex Sea43.8mm
Power Reserve
Twelve X (Ti)120h
Prospex Sea41h
Water Resistance
Twelve X (Ti)100m
Prospex Sea200m
MSRP
Twelve X (Ti)$5,375
Prospex Sea$625

Full specifications

Case

8 specs
Category
Skeleton
Diver
Diameter
46.3mm
43.8mm
Thickness
12.3mm
12.8mm
Lug-to-Lug
46.3mm
48.7mm
Lug Width
25mm
22mm
Material
Titanium
Stainless Steel
Finish
Brushed + Polished + Satin + Sandblasted
Brushed and polished
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
SLN X1 BL C1
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
SH21
4R35
Beat Rate
4 vph
28,800 vph
Power Reserve
120h
41h
Jewels
26
23
Complications
Moonphase
None

Pricing

1 specs
MSRP
$5,375
$625
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