Side by side

Bremont Supermarine 300MvsGruppo Gamma Peacemaker Bronze

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990

At a glance

12 of 29 specs differ
Diameter
Supermarine 300M40mm
Peacemaker Bronze43mm
Power Reserve
Supermarine 300M40h
Peacemaker Bronze42h
Water Resistance
Supermarine 300M300m
Peacemaker Bronze200m
MSRP
Supermarine 300M$3,550
Peacemaker Bronze$990

Full specifications

Case

6 specs
Diameter
40mm
43mm
Thickness
12mm
13mm
Lug-to-Lug
52.5mm
Lug Width
20mm
24mm
Material
904L Stainless Steel
Bronze
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Green
Fume Green
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
BE-92AE
ETA 2824-2
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$3,550
$990

Follow this matchup

Get a note when Bremont Supermarine 300M vs Gruppo Gamma Peacemaker Bronze gets more votes, a community discussion, or a price drop. No account needed.

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.

Gruppo Gamma Peacemaker Bronze

Owners widely praise the Gruppo Gamma Peacemaker Bronze for its strong vintage aesthetic, featuring attractive sandwich dials and high-domed or box-shaped sapphire crystals. The bronze case is noted for developing patina and the watch is generally considered a good value. Accuracy figures vary, with one report of approximately +10 seconds per day and others stating +/-12 seconds per day. Power reserves range from 38 to 45 hours depending on the movement. One owner describes the winding action as a "dream." On balance, owners consider the Gruppo Gamma Peacemaker Bronze a well-built watch offering significant vintage appeal and value.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.