Side by side

Christopher Ward C65 Aquitaine Bronze COSCvsGrand Seiko SLGA015

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
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

17 of 29 specs differ
Diameter
C65 Aquitaine Bronze COSC46.68mm
SLGA01543.8mm
Power Reserve
C65 Aquitaine Bronze COSC38h
SLGA015120h
Water Resistance
C65 Aquitaine Bronze COSC200m
SLGA015200m
MSRP
C65 Aquitaine Bronze COSC$1,695
SLGA015$12,600

Full specifications

Case

7 specs
Diameter
46.68mm
43.8mm
Thickness
12.45mm
13.8mm
Lug-to-Lug
46.68mm
51.5mm
Lug Width
22mm
23mm
Material
Bronze
Titanium
Finish
Brushed + Polished
Brushed and polished
Caseback
Display
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
SW200
9RA5
Type
Automatic
Spring Drive
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
120h
Jewels
26
25
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,695
$12,600

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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.

Grand Seiko SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

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