Side by side

Bremont Supermarine 300MvsCitizen Promaster Diver Automatic

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Promaster Diver Automatic
CitizenPromaster Diver Automatic
MSRP $469

At a glance

7 of 29 specs differ
Diameter
Supermarine 300M40mm
Promaster Diver Automatic44mm
Power Reserve
Supermarine 300M40h
Promaster Diver Automatic40h
Water Resistance
Supermarine 300M300m
Promaster Diver Automatic200m
MSRP
Supermarine 300M$3,550
Promaster Diver Automatic$469

Full specifications

Case

4 specs
Diameter
40mm
44mm
Lug-to-Lug
46mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Green
Blue

Movement

1 specs
Caliber
BE-92AE
8204

Pricing

1 specs
MSRP
$3,550
$469

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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.

Citizen Promaster Diver Automatic

Owners widely praise the Citizen Promaster Diver Automatic for its lightweight titanium build, comfortable wear, and good specifications at its price point, with one owner highlighting its accuracy and dynamic dial made from recycled materials. Some users find the bezel action spongy and the bracelet subpar, while others note the overall finish is basic due to the brushed titanium. A reviewer also points out a preference for sapphire crystal and ceramic bezel inserts. On balance, owners rate the Citizen Promaster Diver Automatic highly for its value proposition as an affordable, lightweight, and accurate dive watch.

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