Side by side

Christopher Ward C65 Aquitaine Bronze COSCvsGrand Seiko SLGH017

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
SLGH017
Grand SeikoSLGH017
MSRP $10,500

At a glance

17 of 29 specs differ
Diameter
C65 Aquitaine Bronze COSC46.68mm
SLGH01740mm
Power Reserve
C65 Aquitaine Bronze COSC38h
SLGH01780h
Water Resistance
C65 Aquitaine Bronze COSC200m
SLGH017100m
MSRP
C65 Aquitaine Bronze COSC$1,695
SLGH017$10,500

Full specifications

Case

8 specs
Category
Diver
Dress
Diameter
46.68mm
40mm
Thickness
12.45mm
11.7mm
Lug-to-Lug
46.68mm
47mm
Material
Bronze
Titanium
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
100m
Caseback
Display
Solid

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black
Lume
SLN X1 BL Old Radium
None

Movement

5 specs
Caliber
SW200
9SA5
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
80h
Jewels
26
25
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,695
$10,500

Follow this matchup

Get a note when Christopher Ward C65 Aquitaine Bronze COSC vs Grand Seiko SLGH017 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.

Grand Seiko SLGH017

Grand Seiko SLGH017 owners and reviewers widely praise its impeccable finishing on the applied markers and handset, and its lightweight titanium case and bracelet. The high-beat 9SA5 movement is noted for its approximately 80-hour power reserve, with accuracy figures reported by owners ranging from +4 sec/day to +5 to -3 seconds per day, though some owners express concerns about accuracy deviating significantly from specifications. Some find the "Night Birch" dial stunning and appreciate the Evo 9 case design, while others note the dial texture appears less pronounced on its matte black surface and criticize the handset's proportions and lack of lume. The Grand Seiko SLGH017 is priced at €10,500. On balance, owners and reviewers rate the Grand Seiko SLGH017 highly for its lightweight titanium construction and impeccable finishing.

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.