Side by side

Christopher Ward C65 Aquitaine Bronze COSCvsTissot Gentleman Open Heart

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
Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025

At a glance

20 of 29 specs differ
Diameter
C65 Aquitaine Bronze COSC46.68mm
Gentleman Open Heart40mm
Power Reserve
C65 Aquitaine Bronze COSC38h
Gentleman Open Heart80h
Water Resistance
C65 Aquitaine Bronze COSC200m
Gentleman Open Heart100m
MSRP
C65 Aquitaine Bronze COSC$1,695
Gentleman Open Heart$1,025

Full specifications

Case

9 specs
Category
Diver
Chronograph
Diameter
46.68mm
40mm
Thickness
12.45mm
11.5mm
Lug-to-Lug
46.68mm
40mm
Lug Width
22mm
21mm
Material
Bronze
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
100m
Caseback
Display
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Blue
Silver
Indices
Applied
Indexes
Lume
SLN X1 BL Old Radium
Super-LumiNova ®

Movement

5 specs
Caliber
SW200
11 1/2'''
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
$1,025

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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.

Tissot Gentleman Open Heart

Owners widely praise the Tissot Gentleman Open Heart for its versatile dressy-sporty aesthetic and elegant sunburst dial finish, with one owner preferring its less shiny blue dial compared to other versions. The watch offers excellent fit and bracelet adjustability, and its modified Powermatic 80 movement achieves COSC-level accuracy of -3 to +5 seconds/day, though the seconds hand movement is slightly less smooth at 6 movements per second. However, one owner reported the watch arrived non-functional, requiring a return due to an inoperable movement. On balance, owners rate the Tissot Gentleman Open Heart highly for its aesthetic appeal and accurate timekeeping, despite a reported instance of a faulty movement.

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