Side by side

Bremont Supermarine 300MvsTudor Black Bay Chrono

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Black Bay Chrono
TudorBlack Bay Chrono
MSRP $7,000

At a glance

21 of 29 specs differ
Diameter
Supermarine 300M40mm
Black Bay Chrono41mm
Power Reserve
Supermarine 300M40h
Black Bay Chrono70h
Water Resistance
Supermarine 300M300m
Black Bay Chrono200m
MSRP
Supermarine 300M$3,550
Black Bay Chrono$7,000

Full specifications

Case

9 specs
Category
Diver
Chronograph
Diameter
40mm
41mm
Thickness
12mm
14.4mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Black
Indices
Applied

Movement

7 specs
Caliber
BE-92AE
MT5813
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Chronograph, Date

Pricing

1 specs
MSRP
$3,550
$7,000

Follow this matchup

Get a note when Bremont Supermarine 300M vs Tudor Black Bay Chrono 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.

Tudor Black Bay Chrono

Owners widely praise the Tudor Black Bay Chrono as a fantastic offering. Reviewers note the 41mm case's 200-meter water resistance and its channeling of vintage chronograph design, with the reverse panda dial offering excellent legibility. However, one reviewer points out that the white lume on the panda dial can blend with the hands and markers, and the snowflake hand can obscure the 45-minute chronograph totalizer. Overall, owners rate the Tudor Black Bay Chrono highly for its strong design and legibility, despite minor legibility concerns on certain dial configurations.

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.