Side by side

Bremont Supermarine 300MvsTissot Seastar 1000 GMT

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Seastar 1000 GMT
TissotSeastar 1000 GMT
MSRP $575
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.

Tissot Seastar 1000 GMT

Owners widely praise the Tissot Seastar 1000 GMT for its sapphire crystal, 300m water resistance, and GMT complication, with one owner expressing deep satisfaction. A point of contention for some is that Swiss quartz movements may exhibit second-hand misalignment with markers, unlike certain Japanese quartz movements. On balance, owners rate the Tissot Seastar 1000 GMT highly for its robust features and value.

At a glance

9 of 29 specs differ
Diameter
Supermarine 300M40mm
Seastar 1000 GMT40mm
Power Reserve
Supermarine 300M40h
Seastar 1000 GMT40h
Water Resistance
Supermarine 300M300m
Seastar 1000 GMT300m
MSRP
Supermarine 300M$3,550
Seastar 1000 GMT$575

Full specifications

Case

3 specs
Thickness
12mm
11.77mm
Lug-to-Lug
40mm
Material
904L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Dial Color
Green
Black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
BE-92AE
11 1/2'''
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$3,550
$575
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.

Follow this matchup

Get a note when Bremont Supermarine 300M vs Tissot Seastar 1000 GMT gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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