Side by side

Breitling Premier Automatic 40vsBremont Supermarine 300M

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

What people say

Owners + reviewers, side by side

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

Breitling Premier Automatic 40

The Breitling Premier Automatic 40 is widely regarded as an underrated timepiece, praised for its attractive anthracite dial and elegant, vintage-inspired styling. Reviewers note its 40mm steel case and 100m water resistance. The watch is priced from $4,000 on a strap. Overall, owners and reviewers consider the Breitling Premier Automatic 40 a highly attractive watch with elegant styling.

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

15 of 29 specs differ
Diameter
Premier Automatic 4040mm
Supermarine 300M40mm
Power Reserve
Premier Automatic 4038h
Supermarine 300M40h
Water Resistance
Premier Automatic 40100m
Supermarine 300M300m
MSRP
Premier Automatic 40$5,600
Supermarine 300M$3,550

Full specifications

Case

6 specs
Category
Mechanical
Diver
Thickness
11.36mm
12mm
Material
Stainless Steel
904L Stainless Steel
Finish
Stainless steel
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
Breitling 37
BE-92AE
Beat Rate
0 vph
28,800 vph
Power Reserve
38h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$5,600
$3,550
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