Side by side

Bremont Supermarine 300MvsLongines CONQUEST

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
CONQUEST
LonginesCONQUEST
MSRP $4,750

At a glance

20 of 29 specs differ
Diameter
Supermarine 300M40mm
CONQUEST30mm
Power Reserve
Supermarine 300M40h
CONQUEST
Water Resistance
Supermarine 300M300m
CONQUEST100m
MSRP
Supermarine 300M$3,550
CONQUEST$4,750

Full specifications

Case

9 specs
Category
Diver
Diameter
40mm
30mm
Thickness
12mm
9.7mm
Lug-to-Lug
37.8mm
Lug Width
20mm
15mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
BE-92AE
L592.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$3,550
$4,750

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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.

Longines CONQUEST

Owners widely praise the Longines CONQUEST for its excellent price-performance ratio, high-quality finishing, and versatile design, with many highlighting its comfortable wearability due to curved lugs. The smooth winding action and attractive dial colors are also frequently cited positives. However, reviewers and owners consistently note the bracelet's lack of on-the-go micro-adjustment, which can impact fit, and several find the lume to be weak. One owner reported the crown and guards rubbing against the wrist when typing. On balance, owners and reviewers rate the Longines CONQUEST highly for its impressive finishing and value, despite minor bracelet and lume drawbacks.

From video reviewers

The watch's wearable case size and dial work are highlighted as strengths. The bracelet's end-link fit is cited as a weakness.

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