Side by side

Bremont Supermarine 300MvsHamilton Khaki Aviation Pilot Pioneer Mechanical

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

13 of 29 specs differ
Diameter
Supermarine 300M40mm
Khaki Aviation Pilot Pioneer Mechanical36mm
Power Reserve
Supermarine 300M40h
Khaki Aviation Pilot Pioneer Mechanical80h
Water Resistance
Supermarine 300M300m
Khaki Aviation Pilot Pioneer Mechanical100m
MSRP
Supermarine 300M$3,550
Khaki Aviation Pilot Pioneer Mechanical$975

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
40mm
36mm
Thickness
12mm
9.95mm
Lug-to-Lug
46mm
Lug Width
20mm
18mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Mineral
Dial Color
Green
Black

Movement

3 specs
Caliber
BE-92AE
H-50
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$3,550
$975

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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

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical for its superior fit and finish, clean and unique design, and overall value, with one owner calling it a significant step up in build quality. The watch measures 36mm wide with a 41.7mm lug-to-lug and 12.8mm thickness. Some owners express concern over its mineral crystal, with one noting the bezel's detents are "kinda whatever." On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical highly for its build quality and value proposition.

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