Side by side

Christopher Ward Twelve X (Ti) TitaniumvsSeiko Prospex Sea

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

Twelve X (Ti) Titanium
Christopher WardTwelve X (Ti) Titanium
MSRP $5,375
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

16 of 29 specs differ
Diameter
Twelve X (Ti) Titanium46.3mm
Prospex Sea41.3mm
Power Reserve
Twelve X (Ti) Titanium120h
Prospex Sea72h
Water Resistance
Twelve X (Ti) Titanium100m
Prospex Sea300m
MSRP
Twelve X (Ti) Titanium$5,375
Prospex Sea$1,100

Full specifications

Case

8 specs
Category
Skeleton
Diver
Diameter
46.3mm
41.3mm
Thickness
12.3mm
12.5mm
Lug-to-Lug
46.3mm
48.2mm
Lug Width
25mm
20mm
Material
Titanium
Stainless Steel
Finish
Brushed + Polished + Satin + Sandblasted
Brushed and polished
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
SH21
6R55
Beat Rate
4 vph
28,800 vph
Power Reserve
120h
72h
Jewels
31
24
Complications
Moonphase
None

Pricing

1 specs
MSRP
$5,375
$1,100

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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 (Ti) Titanium

Owners and reviewers widely praise the Christopher Ward Twelve X (Ti) Titanium for its exceptional value, lightweight titanium construction, and comfortable wearability, with case thickness noted as under 9mm by some and around 12.3mm by others. The watch features a COSC-certified movement, either a Sellita SW300-1 or a skeletonized SH21 with a 5-day or 120-hour power reserve, and reviewers highlight excellent lume performance and improved legibility on skeletonized dials. Some find the bracelet's one-step micro-adjustment clasp convenient, while others report sharp bracelet links and unfinished clasp interiors, and one owner noted the "Arctic White" dial appeared silver. There is a split on Christopher Ward design originality and the potential for case and bracelet chamfers to be prone to dings.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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