Spinnaker Dumas AutomaticvsThorn Marine 200 Master Diver

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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.

Dumas Automatic

Marine 200 Master Diver
Diameter
44mm
42mm
Lug-to-Lug
48mm
lowest
48.5mm
Thickness
15mm
12.4mm
lowest
Water Resistance
300m
highest
200m
MSRP
$239
$179
lowest
Movement
Seiko NH35
Seiko NH35
Case
5 specsCrystal & Dial
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Thorn Marine 200 Master Diver Watch for its 200m water resistance and screw-down crown, making it suitable for swimming and diving. The bracelet on this Pelagos-style model is considered excellent, and one owner finds the watch comfortable and a good value for daily wear at $131. However, some find the lume only okay and the bezel a bit stiff, while another owner notes the Thorn text on the dial is unnecessary clutter. On balance, owners rate the Thorn Marine 200 Master Diver Watch highly for its robust water resistance and comfortable, well-received bracelet at its price point.
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