Side by side

Bremont Supermarine 300MvsLongines LONGINES SPIRIT CHRONOGRAPH

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 CHRONOGRAPH
LonginesLONGINES SPIRIT CHRONOGRAPH
MSRP $3,700

At a glance

10 of 29 specs differ
Diameter
Supermarine 300M40mm
LONGINES SPIRIT CHRONOGRAPH42mm
Power Reserve
Supermarine 300M40h
LONGINES SPIRIT CHRONOGRAPH40h
Water Resistance
Supermarine 300M300m
LONGINES SPIRIT CHRONOGRAPH100m
MSRP
Supermarine 300M$3,550
LONGINES SPIRIT CHRONOGRAPH$3,700

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
12mm
16.5mm
Lug-to-Lug
51.4mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Green
Blue

Movement

1 specs
Caliber
BE-92AE
L688.4

Pricing

1 specs
MSRP
$3,550
$3,700

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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 CHRONOGRAPH

The Longines Spirit Chronograph is widely praised for its excellent value, featuring a COSC-certified automatic movement with a column wheel chronograph and impressive finishing for its price. Owners and reviewers highlight its solid build, elegant dial with spectacular lume, and comfortable bracelet with a secure clasp. The aviation-inspired design is noted for its legibility and personality, with some appreciating the historical five-star rating as a nod to Longines' heritage, while others find it unnecessary clutter. Accuracy is reported as impressive, with one owner noting +1.7 seconds over 24 hours, and the movement offers a 54-hour power reserve. On balance, owners and reviewers rate the Longines Spirit Chronograph highly for its blend of classic design, robust build, and strong value proposition.

From video reviewers

The Longines Spirit Chronograph features a high-quality ceramic bezel with satisfying bezel action. The watch's value as a mechanical chronograph under $3,000 is notable, particularly for its pilot watch design. However, the lume brightness is somewhat limited, and the finishing could be improved, with inconsistent execution of various finishes on the details.

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