Side by side

Bremont Supermarine 300MvsHamilton Khaki Aviation Pilot Pioneer

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Khaki Aviation Pilot Pioneer
HamiltonKhaki Aviation Pilot Pioneer
MSRP $1,095

At a glance

11 of 29 specs differ
Diameter
Supermarine 300M40mm
Khaki Aviation Pilot Pioneer38mm
Power Reserve
Supermarine 300M40h
Khaki Aviation Pilot Pioneer80h
Water Resistance
Supermarine 300M300m
Khaki Aviation Pilot Pioneer100m
MSRP
Supermarine 300M$3,550
Khaki Aviation Pilot Pioneer$1,095

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
40mm
38mm
Thickness
12mm
11.4mm
Lug-to-Lug
46mm
Lug Width
20mm
18mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Green
Black

Movement

2 specs
Caliber
BE-92AE
H-10
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$3,550
$1,095

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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

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer for its authentic pilot design, legible cathedral hands, and textured matte black dial, with the 36mm and 38mm case sizes noted as wearing well. The applied numerals with generous Super Luminova are a highlight, and one owner found the double AR-coated mineral crystal surprisingly scratch-free. However, the lume is not very bright or long-lasting, and the mechanical version requires about 60 crown turns to fully wind. Some owners find the rotating bezel's detents unremarkable, and the mineral crystal can scratch more easily than sapphire, though this is considered a minor drawback given the price. On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer highly for its vintage appeal and quality build at the price point.

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