Aera Instruments D-1vsAquastar BENTHOS Heritage One Blue Edition

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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.

Aera Instruments D-1 at true scale

D-1

Aquastar BENTHOS Heritage One Blue Edition at true scale

BENTHOS Heritage One Blue Edition

Diameter

44mm

42mm

Lug-to-Lug

49.5mm

47mm

lowest

Thickness

15.9mm

n/a

Water Resistance

300m

500m

highest

Power Reserve

41h

n/a

MSRP

$2,675

$1,390

lowest

Movement

Sellita SW200-1

Sellita SW200-1

Case

5 specs
Diameter
44mm
42mm
Thickness
15.9mm
n/a
Lug-to-Lug
49.55mm
47mm
Lug Width
22mm
n/a
Water Resistance
300m
500m

Movement

1 specs
Power Reserve
41h
0h

Pricing

1 specs
MSRP
$2,675
$1,390
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Reviews

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

Aera Instruments D-1

Owners widely praise the Aera Instruments D-1 for its clarity, materiality, and comfort, highlighting the 904L steel case and proprietary FKM rubber strap for ergonomic wearability. Reviewers note its legibility, featuring a simple, graphic, and modern design with large, lume-filled indices and a matte ceramic bezel. Some owners find the 44mm size too large and the design uninspired, with a few deeming it overpriced for a microbrand. Overall, owners and reviewers rate the Aera Instruments D-1 highly for its excellent legibility and comfortable wearability, despite some reservations about its size and design originality.

Aquastar BENTHOS Heritage One Blue Edition

Owners widely praise the Aquastar Benthos Heritage One Blue Edition for its excellent lume on the bezel and dial, and its wearable 42mm cushion case with a sunburst finish. Reviewers note its fun, well-specced dive watch nature and great value, powered by a Sellita SW200-1 movement. Some owners describe it as a lovely, very chunky diver's watch. One owner rates the watch 90-95% due to minor hairline marks on the polished case back. Overall, owners and reviewers rate the Aquastar Benthos Heritage One Blue Edition highly for its strong lume and value proposition.