Side by side

Bremont Supermarine 300MvsLongines LONGINES SPIRIT FLYBACK TITANIUM

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
LONGINES SPIRIT FLYBACK TITANIUM
LonginesLONGINES SPIRIT FLYBACK TITANIUM
MSRP $5,900

At a glance

10 of 29 specs differ
Diameter
Supermarine 300M40mm
LONGINES SPIRIT FLYBACK TITANIUM42mm
Power Reserve
Supermarine 300M40h
LONGINES SPIRIT FLYBACK TITANIUM40h
Water Resistance
Supermarine 300M300m
LONGINES SPIRIT FLYBACK TITANIUM100m
MSRP
Supermarine 300M$3,550
LONGINES SPIRIT FLYBACK TITANIUM$5,900

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
12mm
17mm
Lug-to-Lug
49.5mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Green
Anthracite

Movement

1 specs
Caliber
BE-92AE
L791.4

Pricing

1 specs
MSRP
$3,550
$5,900

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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 FLYBACK TITANIUM

The LONGINES SPIRIT FLYBACK TITANIUM is widely praised for its luxurious finishing on titanium, attractive anthracite dial with gold and red accents, and precise COSC-certified L791.4 movement. Owners and reviewers consistently highlight its value as a flyback chronograph with a 68-hour power reserve and 100-meter water resistance. However, its 17mm case thickness is a significant concern for wearability, particularly under sleeves, with some suggesting alternative strap options. On balance, owners and reviewers rate the LONGINES SPIRIT FLYBACK TITANIUM highly for its finishing and value, despite the noted thickness.

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