DOXA SUB 300 BetavsRevelot Hexmariner 42 Blue CNC Guilloche

SUB 300 Beta
DOXASUB 300 Beta

Ref. sub-300beta-aquamarine·MSRP $2,490

Hexmariner 42 Blue CNC Guilloche
RevelotHexmariner 42 Blue CNC Guilloche

Ref. hexmariner-42-blue-cnc-guilloche·MSRP $455

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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

Revelot Hexmariner 42 Blue CNC Guilloche at true scale

Hexmariner 42 Blue CNC Guilloche

Diameter

42.5mm

42mm

Water Resistance

300m

highest

200m

Power Reserve

38h

41h

highest

MSRP

$2,490

$455

lowest

Movement

Automatic

Seiko NH35

Case

3 specs
Diameter
42.5mm
42mm
Material
Stainless steel case
Ceramic
Water Resistance
300m
200m

Movement

2 specs
Caliber
n/a
Seiko NH35
Power Reserve
38h
41h

Pricing

1 specs
MSRP
$2,490
$455
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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.

Revelot Hexmariner 42 Blue CNC Guilloche

Owners widely praise the Revelot Hexmariner 42 Blue CNC Guilloche for its sharp-angled, comfortable 42mm brushed case and attractive looks, often calling it a cool diver under $300. The watch features sapphire crystal front and back, a ceramic bezel insert, and a signed crown with a lumed logo. Some owners found the original bracelet disappointing and a cost-cutting measure, with one owner noting it squeaked initially but settled down, while another replaced it entirely. The on-the-fly adjustment on the clasp offers a good fit. Overall, owners rate the Revelot Hexmariner 42 Blue CNC Guilloche highly for its value and striking aesthetics, particularly after addressing the bracelet.