Christopher Ward C65 Aquitaine Bronze COSCvsErgon Watches Maelstrom
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
C65 Aquitaine Bronze COSC
Maelstrom
Diameter
41mm
40mm
Lug-to-Lug
46.7mm
n/a
Thickness
12.4mm
lowest
13mm
Water Resistance
200m
300m
highest
Power Reserve
38h
n/a
MSRP
$1,695
n/a
Movement
Sellita SW200-1
Sellita SW200-1
Case
7 specsCrystal & Dial
2 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Christopher Ward C65 Aquitaine Bronze COSC for its comfortable bracelet with excellent micro-adjustment and durable case and bezel. The watch's smooth winding action is also a highlight, and one owner considers its case superior to a Tudor's. However, one owner reported disappointing accuracy from the Sellita SW330-2 movement, running at +17 seconds per day, and another found the rubber strap lacked refinement and noted a potential design mismatch with the date window and logo. On balance, owners rate the Christopher Ward C65 Aquitaine Bronze COSC highly for its wearability and build quality, despite some concerns regarding movement accuracy and strap refinement.
The Ergon Watches Maelstrom is widely praised by owners as a high-value bronze diver, specifically noting its smooth winding action and the attractive patina that develops over time. The 40mm case size is also a point of recommendation for those who prefer it. On balance, owners rate the Ergon Watches Maelstrom highly for its bronze material that develops a unique patina and its smooth winding action at the price.
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