Side by side

Bremont Supermarine 300MvsBoldr Venture GMT

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Venture GMT
BoldrVenture GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Supermarine 300M40mm
Venture GMT38mm
Power Reserve
Supermarine 300M40h
Venture GMT40h
Water Resistance
Supermarine 300M300m
Venture GMT200m
MSRP
Supermarine 300M$3,550
Venture GMT$299

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
38mm
Thickness
12mm
14mm
Lug-to-Lug
44mm
Material
904L Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

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

Movement

2 specs
Caliber
BE-92AE
Ronda 515
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$3,550
$299

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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 Venture GMT

Owners widely praise the Boldr Venture GMT for its lightweight titanium case and bracelet, utilitarian GMT function, and 200m water resistance, with many finding it a comfortable daily driver. The watch's faceted bracelet attachment, sapphire crystal, and attractive dials are also frequently highlighted, though some owners note the lume's visibility is hampered by blending numbers. Accuracy varies, with one owner reporting it runs 6 seconds fast over 25 days, while another finds the Miyota movement basic. Some users would prefer a 4 o'clock crown and a date window, and the clasp safety can be loose. Overall, owners rate the Boldr Venture GMT highly for its robust titanium build and practical GMT functionality at its price point.

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