Side by side

Bremont Supermarine 300MvsHamilton Khaki Navy BeLOWZERO Auto Titanium

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Khaki Navy BeLOWZERO Auto Titanium
HamiltonKhaki Navy BeLOWZERO Auto Titanium
MSRP $2,175

At a glance

10 of 29 specs differ
Diameter
Supermarine 300M40mm
Khaki Navy BeLOWZERO Auto Titanium46mm
Power Reserve
Supermarine 300M40h
Khaki Navy BeLOWZERO Auto Titanium80h
Water Resistance
Supermarine 300M300m
Khaki Navy BeLOWZERO Auto Titanium1,000m
MSRP
Supermarine 300M$3,550
Khaki Navy BeLOWZERO Auto Titanium$2,175

Full specifications

Case

6 specs
Diameter
40mm
46mm
Thickness
12mm
15.7mm
Lug-to-Lug
46mm
Lug Width
20mm
24mm
Material
904L Stainless Steel
Titanium
Water Resistance
300m
1000m

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
$2,175

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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 Navy BeLOWZERO Auto Titanium

The Hamilton Khaki Navy BeLOWZERO Auto Titanium is widely noted for its substantial 46mm titanium case, with some owners finding it large and heavy, particularly on the bracelet, though others find the titanium version manageable and appreciate its sporty casual wearability. Readability in low light is a concern, with the lume described as not good. The watch features 1000m water resistance and an 80-hour power reserve, with a stealthy black dial and a distinctive arrow-tipped seconds hand. On balance, owners and reviewers highlight its robust build and impressive water resistance as key strengths for a sporty casual watch.

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