Edox CO-1 ChronographvsResco Stainless Red
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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.

CO-1 Chronograph

Stainless Red
Diameter
45mm
44mm
Lug-to-Lug
n/a
51.5mm
Thickness
15.5mm
13mm
lowest
Water Resistance
1000m
highest
200m
MSRP
$1,355
$985
lowest
Movement
Caliber 102 (Ronda 5030 D)
Quartz
Case
6 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Edox CO-1 Chronograph's unique carbon-ceramic-resin case for its distinctive striped look and lightweight feel, even with its 45mm diameter. However, wearability is a point of contention; reviewers and owners note the 45mm case size and bulky clasp can be uncomfortable, particularly for smaller wrists. Some find the dial's shiny elements and the single Arabic numeral distracting, while one owner reports trouble-free ownership for six years with good accuracy and a durable build. Overall, owners and reviewers find the Edox CO-1 Chronograph to be a robustly built watch with a distinctive aesthetic, though its substantial size and clasp design present wearability challenges for some.
Owners widely report excellent customer service from Resco, with multiple accounts of quick and fair repairs after accidents. One owner praises the traditional diver look, unique domed sapphire, and tight bezel tolerances, noting a loss of 9 seconds over 7 days. However, some owners have experienced rusting issues near the crown or date-adjusting screw, which the company stated was normal and might require occasional cleaning. One owner also cited difficulty with crown threading. Resco's NATOs are considered among the best available. Overall, owners rate the Resco Stainless Red highly for its customer service and durability, despite isolated reports of rusting.
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