Edox CO-1 Chronograph AutomaticvsSpinnaker Dumas Automatic

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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.

Edox CO-1 Chronograph Automatic at true scale

CO-1 Chronograph Automatic

Spinnaker Dumas Automatic at true scale

Dumas Automatic

Diameter

45mm

44mm

Lug-to-Lug

n/a

48mm

Thickness

16mm

15mm

lowest

Water Resistance

500m

highest

300m

MSRP

$3,490

$239

lowest

Movement

Caliber 011 (SW 500)

Seiko NH35

Case

6 specs
Diameter
45mm
44mm
Thickness
16mm
15mm
Lug-to-Lug
n/a
48mm
Lug Width
25mm
22mm
Material
Grey PVD / Stainless Steel
316L Stainless Steel
Water Resistance
500m
300m

Crystal & Dial

1 specs
Dial Color
n/a
Blue

Movement

1 specs
Caliber
Caliber 011 (SW 500)
Seiko NH35

Pricing

1 specs
MSRP
$3,490
$239
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Edox CO-1 Chronograph Automatic

Owners widely praise the Edox CO-1 Chronograph Automatic for its robust build, scratch-resistant case and sapphire crystal, and well-assembled Swiss automatic chronograph movement. Reviewers and owners alike note the 45mm case's substantial presence, with some appreciating its modern materials like carbon composite and ceramic bezel, while others find the blue carbon fiber dial and shiny elements distracting. A common point of contention is the clasp, described by some as uncomfortable and by others as a source of wrist discomfort, though the vanilla-scented rubber strap receives positive mentions. One owner reports a minute hand issue that was a simple fix, while another notes six years of ownership with consistent accuracy and durability. Overall, owners and reviewers find the Edox CO-1 Chronograph Automatic to be a well-specified and durably built tool watch, with the primary trade-offs being its large size and divisive clasp design.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.