Side by side

Christopher Ward C65 Aquitaine Bronze COSCvsSeiko 5 Sports SKX series

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
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315

At a glance

18 of 29 specs differ
Diameter
C65 Aquitaine Bronze COSC46.68mm
5 Sports SKX series28mm
Power Reserve
C65 Aquitaine Bronze COSC38h
5 Sports SKX series40h
Water Resistance
C65 Aquitaine Bronze COSC200m
5 Sports SKX series100m
MSRP
C65 Aquitaine Bronze COSC$1,695
5 Sports SKX series$315

Full specifications

Case

9 specs
Category
Diver
Sport
Diameter
46.68mm
28mm
Thickness
12.45mm
11.2mm
Lug-to-Lug
46.68mm
33.1mm
Lug Width
22mm
14mm
Material
Bronze
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
100m
Caseback
Display
Solid

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Blue
Black
Lume
SLN X1 BL Old Radium
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SW200
2R06
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
21
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,695
$315

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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 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 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

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