Side by side

Bremont Supermarine 300MvsBoldr Rally

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Rally
BoldrRally
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Supermarine 300M40mm
Rally38mm
Power Reserve
Supermarine 300M40h
Rally40h
Water Resistance
Supermarine 300M300m
Rally200m
MSRP
Supermarine 300M$3,550
Rally$299

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
40mm
38mm
Thickness
12mm
12.2mm
Lug-to-Lug
44mm
Material
904L Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Green
I - Wells 008 (Updated)
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
BE-92AE
Seiko VK64
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 Rally

Owners widely praise the Boldr Rally's compact 38mm titanium case and excellent value under A$500. The VK64 mecaquartz movement has proven reliable for years, and the sapphire crystal is a welcome feature. Some owners find the dial busy and difficult to read, particularly the black hands against the black subdial, and note the bead-blasted titanium case can be a scratch magnet. The default straps have been described as boring or not holding up to daily wear. Overall, owners rate the Boldr Rally highly for its robust titanium construction and excellent value, despite some legibility concerns.

From video reviewers

The 38mm titanium case with a 44mm lug-to-lug measurement provides a comfortable and compact fit. The 200m water resistance is noted as robust for a chronograph. The 14mm thickness was mentioned as potentially substantial for the watch's size.

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