Side by side

Bremont Supermarine 300MvsWolbrook Douglas Grand Prix Racing

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Douglas Grand Prix Racing
WolbrookDouglas Grand Prix Racing
MSRP $442

At a glance

7 of 29 specs differ
Diameter
Supermarine 300M40mm
Douglas Grand Prix Racing40mm
Power Reserve
Supermarine 300M40h
Douglas Grand Prix Racing40h
Water Resistance
Supermarine 300M300m
Douglas Grand Prix Racing100m
MSRP
Supermarine 300M$3,550
Douglas Grand Prix Racing$442

Full specifications

Case

4 specs
Category
Diver
Racing
Thickness
12mm
13mm
Material
904L Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Green
Steel

Movement

1 specs
Caliber
BE-92AE
Miyota 8315

Pricing

1 specs
MSRP
$3,550
$442

Follow this matchup

Get a note when Bremont Supermarine 300M vs Wolbrook Douglas Grand Prix Racing gets more votes, a community discussion, or a price drop. No account needed.

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.

Wolbrook Douglas Grand Prix Racing

The Wolbrook Douglas Grand Prix Racing features a Hesalite box crystal, a roulette date wheel, and a 40mm steel case. Owners note it is powered by a Miyota 8315 movement with a 60-hour power reserve, regulated to within ±15 seconds per day. One owner points out that an earlier iteration of the movement did not hack and had a 42-hour power reserve. On balance, owners appreciate the Hesalite crystal and roulette date wheel at its $275 price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.