Side by side

Borealis Watch Co. SintravsBremont Supermarine 300M

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

Sintra
Borealis Watch Co.Sintra
MSRP $650
Supermarine 300M
BremontSupermarine 300M
MSRP $3,550

At a glance

11 of 29 specs differ
Diameter
Sintra41.50mm
Supermarine 300M40mm
Power Reserve
Sintra40h
Supermarine 300M40h
Water Resistance
Sintra200m
Supermarine 300M300m
MSRP
Sintra$650
Supermarine 300M$3,550

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
41.50mm
40mm
Thickness
12.95mm
12mm
Lug-to-Lug
47.00mm
Lug Width
20mm
20mm
Material
Stainless Steel
904L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
Dial Color
Black
Green
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9015
BE-92AE

Pricing

1 specs
MSRP
$650
$3,550

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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.

Borealis Watch Co. Sintra

Borealis Watch Co. Sintra owners widely praise its well-executed design, featuring applied indices and a shimmering blue dial that some prefer over more expensive alternatives. The timepiece is noted for excellent build quality and high-end specifications for its price, including a Miyota 90S5 movement and a premium bracelet. One owner did not purchase due to its size not being 39mm or less, while the 90xx movements are considered reliable and accurate, though some find them noisy. On balance, owners rate the Borealis Watch Co. Sintra highly for its impressive design and build quality at its price point.

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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