Side by side

Bremont Supermarine 300MvsGrand Seiko SBGP015

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
SBGP015
Grand SeikoSBGP015
MSRP $3,800

At a glance

9 of 29 specs differ
Diameter
Supermarine 300M40mm
SBGP01540mm
Power Reserve
Supermarine 300M40h
SBGP01540h
Water Resistance
Supermarine 300M300m
SBGP015200m
MSRP
Supermarine 300M$3,550
SBGP015$3,800

Full specifications

Case

4 specs
Thickness
12mm
12.4mm
Lug-to-Lug
47.1mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Green
Black

Movement

2 specs
Caliber
BE-92AE
9F85
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$3,550
$3,800

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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.

Grand Seiko SBGP015

Owners widely praise the Grand Seiko SBGP015 for its stupendous, substantial, and classy versatility, with reviewers noting the dial print is exceptionally sharp, casting shadows under light. The Grand Seiko 9F85 quartz movement is lauded for its excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is listed for £1900. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and the accuracy of its 9F85 quartz movement.

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