Side by side

Bremont Supermarine 300MvsMonta Oceanking

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Oceanking
MontaOceanking
MSRP $2,550

At a glance

7 of 29 specs differ
Diameter
Supermarine 300M40mm
Oceanking40mm
Power Reserve
Supermarine 300M40h
Oceanking40h
Water Resistance
Supermarine 300M300m
Oceanking305m
MSRP
Supermarine 300M$3,550
Oceanking$2,550

Full specifications

Case

4 specs
Thickness
12mm
Lug Width
20mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
305m

Crystal & Dial

1 specs
Dial Color
Green
Blue

Movement

1 specs
Caliber
BE-92AE
Monta M-22

Pricing

1 specs
MSRP
$3,550
$2,550

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What people say

Owners + reviewers, side by side

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

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

Monta Oceanking

Owners and reviewers widely praise the Monta Oceanking for its refined aesthetics, excellent fit and finish for its price point, and comfortable, supple bracelet with a micro-adjustment clasp. The watch features a legible dial with enlarged luminous markers and hands, a well-done glossy and deep bezel, and a svelte sub-41mm case with a shorter lug-to-lug. Some owners note minor gripes with bezel alignment and movement accuracy, while one reviewer found the tapering crown tricky to grip and the bezel had slight play. The Sellita SW300 movement provides a power reserve of either 42 or 56 hours, depending on the source, and the watch includes a date at six o'clock. Overall, owners and reviewers rate the Monta Oceanking highly for its comfortable wearability and tool-focused, sportier stance.

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