Side by side

Bremont Supermarine 300MvsSeiko Coutura

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Coutura
SeikoCoutura
MSRP $525

At a glance

12 of 29 specs differ
Diameter
Supermarine 300M40mm
Coutura44mm
Power Reserve
Supermarine 300M40h
Coutura40h
Water Resistance
Supermarine 300M300m
Coutura100m
MSRP
Supermarine 300M$3,550
Coutura$525

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
44mm
Thickness
12mm
11.8mm
Lug-to-Lug
46mm
Lug Width
20mm
12mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Green
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
BE-92AE
V198
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$3,550
$525

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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.

Seiko Coutura

Owners widely report the Seiko Coutura's wear-resistant metal treatments maintain their appearance over years of ownership. The watch is praised for its solar power and perpetual calendar features, with some owners finding its weight and appearance captivating. However, opinions on its styling are divided, with some finding it gaudy or too busy, while others consider it beautiful and a fun departure from minimalist designs. Some owners express dissatisfaction with the proprietary bracelet. One owner notes the solar power reserve requires constant light exposure. Overall, owners rate the Seiko Coutura well for its durable finish and useful solar and perpetual calendar complications, despite polarizing styling.

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