Side by side

Bremont Supermarine 500MvsSpinnaker Bradner GMT

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

Supermarine 500M
BremontSupermarine 500M
MSRP $4,700
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

9 of 29 specs differ
Diameter
Supermarine 500M43mm
Bradner GMT42mm
Power Reserve
Supermarine 500M40h
Bradner GMT40h
Water Resistance
Supermarine 500M500m
Bradner GMT180m
MSRP
Supermarine 500M$4,700
Bradner GMT$299

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
43mm
42mm
Thickness
13mm
15mm
Lug-to-Lug
50mm
Water Resistance
500m
180m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Black
Brown

Movement

1 specs
Caliber
BE-92AE
Seiko NH34A

Pricing

1 specs
MSRP
$4,700
$299

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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 500M

Owners widely praise the Bremont Supermarine 500M's luxurious appearance and sapphire bezel, with some preferring its design over other luxury dive watches. Reviewers note its updated, legible dial with excellent, long-lasting Super-LumiNova lume. The hardened steel case with anti-reflective coating offers scratch resistance, and the crown placement is a favored feature. Some owners find the 43mm thickness substantial, and one reviewer questions the long-term water resistance of its three-piece case construction compared to traditional designs. Criticisms include the lack of a dive suit extension on the bracelet and a second hand that can be difficult to see in low light, with some finding the bezel markings could be more prominent. Overall, owners and reviewers consider the Bremont Supermarine 500M a handsome, rugged dive watch with a refined look that competes well with more expensive brands.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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