DOXA SUB 300 BetavsSpinnaker 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.

DOXA SUB 300 Beta at true scale

SUB 300 Beta

Spinnaker Dumas Automatic at true scale

Dumas Automatic

Diameter

42.5mm

44mm

Lug-to-Lug

n/a

48mm

Thickness

n/a

15mm

Water Resistance

300m

300m

Power Reserve

38h

n/a

MSRP

$2,490

$239

lowest

Movement

Automatic

Seiko NH35

Case

5 specs
Diameter
42.5mm
44mm
Thickness
n/a
15mm
Lug-to-Lug
n/a
48mm
Lug Width
20mm
22mm
Material
Stainless steel case
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
n/a
Blue

Movement

2 specs
Caliber
n/a
Seiko NH35
Power Reserve
38h
0h

Pricing

1 specs
MSRP
$2,490
$239
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Reviews

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

DOXA SUB 300 Beta

The DOXA SUB 300 Beta is praised for its refined aesthetic and vintage charm, with a wave-patterned dial, ceramic bezel, and box-domed sapphire crystal. Owners find its 42.5mm case wears well due to its compact feel and short lug-to-lug length, making it suitable for smaller wrists and comfortable for all-day wear. The watch is powered by an automatic movement with a 38-hour power reserve. Some reviewers question the inclusion of a helium escape valve on this less tool-oriented design, and one owner notes the polished bezel is prone to scratches. Overall, owners and reviewers appreciate the DOXA SUB 300 Beta for its blend of classic dive watch appeal and modern wearability.

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.

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