Side by side

Bremont Supermarine 300MvsLongines LONGINES MASTER COLLECTION

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
LONGINES MASTER COLLECTION
LonginesLONGINES MASTER COLLECTION
MSRP $2,850

At a glance

10 of 29 specs differ
Diameter
Supermarine 300M40mm
LONGINES MASTER COLLECTION38.5mm
Power Reserve
Supermarine 300M40h
LONGINES MASTER COLLECTION72h
Water Resistance
Supermarine 300M300m
LONGINES MASTER COLLECTION30m
MSRP
Supermarine 300M$3,550
LONGINES MASTER COLLECTION$2,850

Full specifications

Case

6 specs
Category
Diver
Diameter
40mm
38.5mm
Thickness
12mm
10.2mm
Lug-to-Lug
44.9mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

1 specs
Dial Color
Green
Ivory

Movement

2 specs
Caliber
BE-92AE
L893.5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$3,550
$2,850

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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 MASTER COLLECTION

Owners widely praise the Longines Master Collection for its attractive designs, heritage feel, and value, with specific models highlighted for their legibility and manageable sizes. One owner finds the 40mm moonphase chronograph complete calendar mesmerizing and versatile at around $1700, while another appreciates the 38mm World Timer's looks and blue hands. A drawback noted across different models is limited water resistance, with one owner selling their watch due to this, and the World Timer disc requiring manual adjustment for daylight saving time in some areas. On balance, owners rate the Longines Master Collection highly for its aesthetic appeal and value proposition, despite some limitations in water resistance and functionality.

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