Side by side

Bremont Supermarine 300MvsHamilton American Classic Day Date Auto

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
American Classic Day Date Auto
HamiltonAmerican Classic Day Date Auto
MSRP $1,245

At a glance

11 of 29 specs differ
Diameter
Supermarine 300M40mm
American Classic Day Date Auto42mm
Power Reserve
Supermarine 300M40h
American Classic Day Date Auto80h
Water Resistance
Supermarine 300M300m
American Classic Day Date Auto50m
MSRP
Supermarine 300M$3,550
American Classic Day Date Auto$1,245

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
42mm
Thickness
12mm
11.55mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

1 specs
Dial Color
Green
Grey

Movement

2 specs
Caliber
BE-92AE
H-30
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$3,550
$1,245

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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 American Classic Day Date Auto

Owners widely praise the Hamilton American Classic Day Date Auto for its legible dial, well-integrated day-date complication, and vintage military aesthetic. The 40mm to 42mm case is noted to wear smaller than its dimensions suggest, and the complication is considered well-executed for its price point. However, the lume is criticized for poor intensity and longevity, and the mirror-polished bezel is flagged as a scratch magnet. The stock leather strap is also described as stiff. Overall, owners rate the Hamilton American Classic Day Date Auto highly for its attractive vintage styling and functional day-date complication at an accessible price.

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