Bremont Supermarine 300MvsNodus Duality II

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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.

Supermarine 300M

Duality II
Diameter
40mm
40mm
Lug-to-Lug
n/a
48mm
Thickness
12mm
11.5mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
41h
MSRP
$3,550
$875
lowest
Movement
Bremont BE-92AE
Miyota 9015
Case
3 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Bremont Supermarine 300M is praised for its comfortable 40mm case, which some owners find wears well even on smaller wrists due to its lug design, outperforming some 40mm watches. One forum contributor notes the 40mm case is relatively compact for a 300m diver and is priced at $1375. A reviewer found the 40mm case comfortable. On balance, owners and reviewers appreciate the Bremont Supermarine 300M's wearable 40mm case size and comfortable wearability.
The Nodus Duality II is praised for its refined dial construction, improved proportions, and wearability, with reviewers noting its thinner 11.5mm case and elegant design. Owners highlight the dual-crown functionality for the internal rotating bezel, the durable three-link bracelet with the NodeX extension, and the US assembly as justifying its price. Some owners find the watch overpriced at $868, citing a loud rotor and lower-quality bracelet, while others prefer Nodus finishing over competitors. The Nodus Duality II uses a Miyota 9015 automatic movement and offers 300 meters of water resistance. Overall, owners and reviewers rate the Nodus Duality II highly for its refined design and functional dual-crown system at its price point.
The case finishing and dual-crown compressor design are praised. The lume brightness is considered average. Reviewers disagreed on the movement accuracy, with some noting it was regulated to +/- 8 seconds per day and others not specifying.
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