Side by side

Bremont Supermarine 300MvsIslander Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267
IslanderIslander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267
MSRP $695

At a glance

17 of 29 specs differ
Diameter
Supermarine 300M40mm
Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-26743.2mm
Power Reserve
Supermarine 300M40h
Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267
Water Resistance
Supermarine 300M300m
Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267150m
MSRP
Supermarine 300M$3,550
Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267$695

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
40mm
43.2mm
Thickness
12mm
13.8mm
Lug-to-Lug
45.4mm
Lug Width
20mm
0mm
Material
904L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
150m

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Green
Indices
Applied

Movement

5 specs
Caliber
BE-92AE
Miyota 9075
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$3,550
$695

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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.

Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267

Owners widely praise the Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267 for its good fit and finish, unique design, and comfortable wearability, with many noting its integrated bracelet and case dimensions make it wear smaller than its specs suggest. Some owners find the dial cluttered and unbalanced, with specific criticism directed at the date window placement and the hour hand, while others appreciate the case's skeletonized lugs and the overall bold, retro-futuristic aesthetic. Accuracy figures range from +3.6s/day to more variable performance, and the crown is frequently described as slightly hard to manipulate due to its guards. On balance, owners value the Islander x The Urban Gentry "Rangemaster II GMT" Limited Edition Watch #ISL-267 for its originality and finishing at its price point, despite some polarizing design elements.

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