Side by side

Christopher Ward C65 Aquitaine Bronze COSCvsGrand Seiko SBGN027

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
SBGN027
Grand SeikoSBGN027
MSRP $3,700

At a glance

18 of 29 specs differ
Diameter
C65 Aquitaine Bronze COSC46.68mm
SBGN02739mm
Power Reserve
C65 Aquitaine Bronze COSC38h
SBGN02740h
Water Resistance
C65 Aquitaine Bronze COSC200m
SBGN027200m
MSRP
C65 Aquitaine Bronze COSC$1,695
SBGN027$3,700

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
46.68mm
39mm
Thickness
12.45mm
12.3mm
Lug-to-Lug
46.68mm
45.9mm
Lug Width
22mm
19mm
Material
Bronze
Stainless Steel
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
9F86
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
25
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,695
$3,700

Follow this matchup

Get a note when Christopher Ward C65 Aquitaine Bronze COSC vs Grand Seiko SBGN027 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 SBGN027

Owners widely praise the Grand Seiko SBGN027 for its exceptional Zaratsu polishing, compact 39mm size, and versatile monochrome aesthetic, noting its thin profile and suitability as a grab-and-go watch. The 9F quartz movement delivers highly accurate timekeeping, with one owner reporting +/- 10 seconds per year. However, some find the lume limited, the bracelet lacks micro-adjustments, and the GMT hand can be easily mistaken for the minute hand. One owner reported a black index on the bezel disappearing after a couple of months. On balance, owners rate the Grand Seiko SBGN027 highly for its premium finishing and accurate HAQ GMT movement in a wearable size.

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.