Which is cheaper, the Bremont Supermarine 300M or the KUOE ROYAL SMITH 90-006?

At MSRP the KUOE ROYAL SMITH 90-006 is the cheaper of the two at $795, against $3,550 for the Bremont Supermarine 300M — a $2,755 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 300M or the KUOE ROYAL SMITH 90-006?

The Bremont Supermarine 300M wears larger at 40mm versus 35mm for the KUOE ROYAL SMITH 90-006 — a 5mm difference across the dial.

Which has better water resistance, the Bremont Supermarine 300M or the KUOE ROYAL SMITH 90-006?

The Bremont Supermarine 300M is rated to 300m versus 100m for the KUOE ROYAL SMITH 90-006.

Which has a longer power reserve, the Bremont Supermarine 300M or the KUOE ROYAL SMITH 90-006?

The KUOE ROYAL SMITH 90-006 carries a 42-hour power reserve against 40 hours on the Bremont Supermarine 300M.

What movement does the Bremont Supermarine 300M run compared to the KUOE ROYAL SMITH 90-006?

Both watches run automatic movements — the Bremont Supermarine 300M uses the BE-92AE and the KUOE ROYAL SMITH 90-006 uses the Miyota 9039.

Side by side

Bremont Supermarine 300MvsKUOE ROYAL SMITH 90-006

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

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

KUOE ROYAL SMITH 90-006

rs90006c-sv-iv-it

MSRP $795

At a glance

14 of 29 specs differ

Diameter

Supermarine 300M40mm

ROYAL SMITH 90-00635mm

Power Reserve

Supermarine 300M40h

ROYAL SMITH 90-00642h

Water Resistance

Supermarine 300M300m

ROYAL SMITH 90-006100m

MSRP

Supermarine 300M$3,550

ROYAL SMITH 90-006$795

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Dome

AR Coating

Inner

Yes

Dial Color

Green

Ivory

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

BE-92AE

Miyota 9039

Power Reserve

40h

42h

Pricing

1 specs

MSRP

$3,550

$795

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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.

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A Blog to Watch

KUOE ROYAL SMITH 90-006

Owners widely praise the KUOE ROYAL SMITH 90-006 for its visual appeal and sapphire crystal with AR coating. The watch functions correctly and keeps time at approximately +5 seconds per day on the wrist, powered by a Miyota 9039 movement. On balance, owners value the watch's aesthetics and specifications, though some question its overall value proposition.

From video reviewers

The watch's unique blend of modern and retro elements is a notable strength, with a textured ivory waffle dial and Breguet numerals giving it the look of a vintage watch from the 1950s and 1960s. A potential drawback is the ~$770 USD price point, which is significant for a microbrand. Reviewers disagree on the movement's accuracy, with one reviewer noting it is noisy and another describing it as a "Japanese-manufactured high beat premium automatic movement".

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