Side by side

Bremont Supermarine 300MvsLongines SPIRIT PILOT FLYBACK

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
SPIRIT PILOT FLYBACK
LonginesSPIRIT PILOT FLYBACK
MSRP $5,550

At a glance

21 of 29 specs differ
Diameter
Supermarine 300M40mm
SPIRIT PILOT FLYBACK39.5mm
Power Reserve
Supermarine 300M40h
SPIRIT PILOT FLYBACK44h
Water Resistance
Supermarine 300M300m
SPIRIT PILOT FLYBACK100m
MSRP
Supermarine 300M$3,550
SPIRIT PILOT FLYBACK$5,550

Full specifications

Case

8 specs
Category
Diver
Pilot
Diameter
40mm
39.5mm
Thickness
12mm
13.4mm
Lug-to-Lug
47.4mm
Material
904L Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid
Screw-down and transparent with sapphire crystal case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Green
Black
Indices
Applied
Applied Arabic numerals
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
BE-92AE
L792.4
Type
Automatic
Manual
Power Reserve
40h
44h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, small seconds at 9 o'clock

Pricing

1 specs
MSRP
$3,550
$5,550

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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 SPIRIT PILOT FLYBACK

The Longines Spirit Pilot Flyback is widely praised for its refined 39.5mm case size, improved wearability, and clean dial design, incorporating enthusiast feedback by removing the five stars and date. Reviewers and owners consistently highlight its exceptional finishing, well-acting ceramic bezel, and the value it offers. The manual-winding L792.4 column-wheel chronograph movement is COSC-certified and offers a power reserve of approximately 68 to 72 hours. Some owners expressed disappointment with the removal of the five stars from the dial, and one reviewer noted that some numerals are partially cut off by the subdials. The watch is priced around $5,350 to $5,550 USD. Overall, owners and reviewers rate the Longines Spirit Pilot Flyback highly for its improved dimensions, finishing, and value proposition.

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