Side by side

Bremont Supermarine 300MvsHamilton Khaki Aviation Pilot Pioneer Mechanical Bronze

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550

At a glance

11 of 29 specs differ
Diameter
Supermarine 300M40mm
Khaki Aviation Pilot Pioneer Mechanical Bronze43mm
Power Reserve
Supermarine 300M40h
Khaki Aviation Pilot Pioneer Mechanical Bronze50h
Water Resistance
Supermarine 300M300m
Khaki Aviation Pilot Pioneer Mechanical Bronze100m
MSRP
Supermarine 300M$3,550
Khaki Aviation Pilot Pioneer Mechanical Bronze$1,795

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
40mm
43mm
Thickness
12mm
13mm
Lug-to-Lug
52mm
Material
904L Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Green
White

Movement

3 specs
Caliber
BE-92AE
ETA 6498-1
Type
Automatic
Manual
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$3,550
$1,795

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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.

Hamilton Khaki Aviation Pilot Pioneer Mechanical Bronze

Owners and reviewers praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Bronze for its romantic aviation appeal, authentic pilot design, and light, versatile case. The dial texture is noted as superior to stock photos, and the tan lume harmonizes with the bronze case. Accuracy is reported as excellent, with one owner seeing +1-2s/day. The joy of winding the oversized crown is a recurring positive, though some find it rough initially. The watch is considered good value by some, offering hand-wind and small seconds with heritage, though others feel it shares technology with more affordable models. Concerns are raised about the mineral crystal scratching more easily than sapphire, with one instance of breakage. The bezel's detents are described as unremarkable, and the stock strap has a paper-like feel. Some owners report a 48-click bezel, while others have a 60-click version.

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