Side by side

Christopher Ward C65 Aquitaine Bronze COSCvsSeiko Prospex SPEEDTIMER

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
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000

At a glance

19 of 29 specs differ
Diameter
C65 Aquitaine Bronze COSC46.68mm
Prospex SPEEDTIMER42.5mm
Power Reserve
C65 Aquitaine Bronze COSC38h
Prospex SPEEDTIMER45h
Water Resistance
C65 Aquitaine Bronze COSC200m
Prospex SPEEDTIMER100m
MSRP
C65 Aquitaine Bronze COSC$1,695
Prospex SPEEDTIMER$3,000

Full specifications

Case

9 specs
Category
Diver
Chronograph
Diameter
46.68mm
42.5mm
Thickness
12.45mm
15.1mm
Lug-to-Lug
46.68mm
50mm
Lug Width
22mm
20mm
Material
Bronze
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
100m
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
SLN X1 BL Old Radium
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SW200
8R46
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
45h
Jewels
26
34
Complications
Moonphase, Day-date, Date
None

Pricing

1 specs
MSRP
$1,695
$3,000

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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 Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

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