Side by side

Bremont Supermarine 300MvsGlycine Combat Sub Sport GMT Bronze

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Combat Sub Sport GMT Bronze
GlycineCombat Sub Sport GMT Bronze
MSRP $2,995

At a glance

16 of 29 specs differ
Diameter
Supermarine 300M40mm
Combat Sub Sport GMT Bronze42mm
Power Reserve
Supermarine 300M40h
Combat Sub Sport GMT Bronze48h
Water Resistance
Supermarine 300M300m
Combat Sub Sport GMT Bronze200m
MSRP
Supermarine 300M$3,550
Combat Sub Sport GMT Bronze$2,995

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
42mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Bronze
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Blue
Indices
Applied
Lume
None
Luminous

Movement

3 specs
Caliber
BE-92AE
SW330-2
Power Reserve
40h
48h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$3,550
$2,995

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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.

Glycine Combat Sub Sport GMT Bronze

Owners report the Glycine Combat Sub Sport GMT Bronze offers a unique aesthetic and remarkable value, often found at significant discounts. One owner notes difficulty matching straps with the bronze dial and that seawater exposure can cause rapid, undesirable patina, suggesting regular cleaning mitigates issues. Another owner flags sub-par lume that is difficult to read at night and an inconsistent power reserve that may not reach the advertised 42 hours. On balance, owners value the Glycine Combat Sub Sport GMT Bronze for its unique aesthetic and strong value proposition, though lume and power reserve performance are noted concerns.

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