Side by side

Christopher Ward C65 Aquitaine Bronze COSCvsSeiko Prospex LX line

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

C65 Aquitaine Bronze COSC
Christopher WardC65 Aquitaine Bronze COSC
MSRP $1,695
Prospex LX line
SeikoProspex LX line
MSRP $6,500

At a glance

17 of 29 specs differ
Diameter
C65 Aquitaine Bronze COSC46.68mm
Prospex LX line44.8mm
Power Reserve
C65 Aquitaine Bronze COSC38h
Prospex LX line72h
Water Resistance
C65 Aquitaine Bronze COSC200m
Prospex LX line300m
MSRP
C65 Aquitaine Bronze COSC$1,695
Prospex LX line$6,500

Full specifications

Case

7 specs
Diameter
46.68mm
44.8mm
Thickness
12.45mm
15.7mm
Lug-to-Lug
46.68mm
50.9mm
Material
Bronze
Titanium
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
300m
Caseback
Display
Solid

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
SLN X1 BL Old Radium
LumiBrite on hands and index(es)

Movement

6 specs
Caliber
SW200
5R65
Type
Automatic
Spring Drive
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
30
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,695
$6,500

Follow this matchup

Get a note when Christopher Ward C65 Aquitaine Bronze COSC vs Seiko Prospex LX line gets more votes, a community discussion, or a price drop. No account needed.

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 C65 Aquitaine Bronze COSC

Owners widely praise the Christopher Ward C65 Aquitaine Bronze COSC for its comfortable wearability, durable case and bezel, and smooth winding action, with one owner finding its case superior to a Tudor's. However, accuracy is a significant concern, with one owner reporting +17 seconds per day. The rubber strap is also noted as lacking refinement, and some suggest design tweaks for greater brand uniqueness. Overall, owners rate the Christopher Ward C65 Aquitaine Bronze COSC highly for its wearability and case finishing, despite accuracy concerns with the Sellita SW330-2 movement.

Seiko Prospex LX line

Owners widely report the Seiko Prospex LX line's finishing is a step up from other models, with a case that sits well on the wrist, and some praise the green sunburst dial with blue anti-reflective sapphire crystal as phenomenal. However, owners note the high MSRP limited sales, with some desiring smaller cases and a reduced price, and others experienced quality control issues such as detached second hands and peeling DLC coating, leading to concerns about fragility. On balance, owners feel the Seiko Prospex LX line was discontinued due to pricing that alienated its target market, despite its attractive dial.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.