Side by side

Bremont Supermarine 500MvsGrand Seiko SLGW007

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

Supermarine 500M
BremontSupermarine 500M
MSRP $4,700
SLGW007
Grand SeikoSLGW007
MSRP $10,000

At a glance

13 of 29 specs differ
Diameter
Supermarine 500M43mm
SLGW00738.6mm
Power Reserve
Supermarine 500M40h
SLGW00780h
Water Resistance
Supermarine 500M500m
SLGW00730m
MSRP
Supermarine 500M$4,700
SLGW007$10,000

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
43mm
38.6mm
Thickness
13mm
9.95mm
Lug-to-Lug
45mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
500m
30m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes

Movement

3 specs
Caliber
BE-92AE
9SA4
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$4,700
$10,000

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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.

Grand Seiko SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

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