Side by side

Bremont Supermarine 300MvsTudor Royal

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Royal
TudorRoyal
MSRP $4,100

At a glance

19 of 29 specs differ
Diameter
Supermarine 300M40mm
Royal30mm
Power Reserve
Supermarine 300M40h
Royal50h
Water Resistance
Supermarine 300M300m
Royal100m
MSRP
Supermarine 300M$3,550
Royal$4,100

Full specifications

Case

9 specs
Category
Diver
Diameter
40mm
30mm
Thickness
12mm
8.7mm
Lug-to-Lug
46mm
Lug Width
20mm
7mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Blue

Movement

6 specs
Caliber
BE-92AE
MT5201
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
50h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$3,550
$4,100

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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.

Tudor Royal

Owners widely praise the Tudor Royal's integrated bracelet, with many calling it the star of the watch, noting its excellent finishing and comfortable wearability, and several reviewers highlight its attractive value proposition starting under $3,000. Some owners find its Roman numerals and bezel lean dressy, while others appreciate its toned-down bezel and find the watch looks better in person. Accuracy figures range from +1 second per day to about -6 seconds per day, and the 38-hour power reserve is noted as a drawback by some. The lack of bracelet micro-adjustment makes achieving a perfect fit difficult for some owners, and the date window's placement is seen as a missed opportunity for better dial balance. Overall, owners rate the Tudor Royal highly for its bracelet finishing and value at the price.

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