Side by side

Breitling Aviator 8 Automatic 41vsBremont Supermarine 300M

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Breitling Aviator 8 Automatic 41

The Breitling Aviator 8 Automatic 41 is widely praised for its wearable 41mm size and slim profile, making it comfortable under sleeves. Owners appreciate its classic styling, unobtrusive date window at six o'clock, and the overall feel, with some noting it stands out as a military-style watch. The bezel is described as looking better in person, and the watch features a sapphire crystal with AR coating. Accuracy is reported within 2 seconds per day by one owner. Overall, owners and reviewers rate the Breitling Aviator 8 Automatic 41 highly for its comfortable, slim wearability and classic aviation-inspired design 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.

At a glance

13 of 29 specs differ
Diameter
Aviator 8 Automatic 4141mm
Supermarine 300M40mm
Power Reserve
Aviator 8 Automatic 4138h
Supermarine 300M
Water Resistance
Aviator 8 Automatic 41100m
Supermarine 300M300m
MSRP
Aviator 8 Automatic 41$4,750
Supermarine 300M$3,550

Full specifications

Case

7 specs
Category
Mechanical
Diver
Diameter
41mm
40mm
Thickness
10.74mm
12mm
Lug Width
0mm
20mm
Material
Stainless Steel
904L Stainless Steel
Finish
Stainless steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Green

Movement

4 specs
Caliber
Breitling Caliber 17
Bremont BE-92AE
Power Reserve
38h
0h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$4,750
$3,550
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.

DiscussionNot started
Adjacent matchups

People also compared

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