Side by side

Bremont Supermarine 300MvsBoldr Globetrotter GMT

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Globetrotter GMT
BoldrGlobetrotter GMT
MSRP $469

At a glance

10 of 29 specs differ
Diameter
Supermarine 300M40mm
Globetrotter GMT40mm
Power Reserve
Supermarine 300M40h
Globetrotter GMT40h
Water Resistance
Supermarine 300M300m
Globetrotter GMT200m
MSRP
Supermarine 300M$3,550
Globetrotter GMT$469

Full specifications

Case

5 specs
Category
Diver
GMT
Thickness
12mm
12.7mm
Lug-to-Lug
48mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Green
GMT Banff
Lume
None
Super-LumiNova

Movement

1 specs
Caliber
BE-92AE
Seiko NH34 GMT

Pricing

1 specs
MSRP
$3,550
$469

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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.

Boldr Globetrotter GMT

The Boldr Globetrotter GMT is praised for its legibility and finishing, featuring applied Super-LumiNova indices and sword hands on a matte black or sunburst blue dial. Reviewers highlight the ceramic bezel's sharp city markings and tight, smooth ratcheting action. The 44mm 316L stainless steel case exhibits a non-traditional design with radial and vertical brushing.

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