Side by side

Bremont Supermarine 300MvsSeiko Presage Classic Series

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Presage Classic Series
SeikoPresage Classic Series
MSRP $950

At a glance

14 of 29 specs differ
Diameter
Supermarine 300M40mm
Presage Classic Series36mm
Power Reserve
Supermarine 300M40h
Presage Classic Series72h
Water Resistance
Supermarine 300M300m
Presage Classic Series100m
MSRP
Supermarine 300M$3,550
Presage Classic Series$950

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
36mm
Thickness
12mm
12.5mm
Lug-to-Lug
41.4mm
Lug Width
20mm
18mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Green
Black

Movement

3 specs
Caliber
BE-92AE
6R51
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$3,550
$950

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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 Presage Classic Series

The Seiko Presage Classic Series is widely praised for its sublime dial and hand finishing, with textured dials inspired by silk and elegantly curved hands. Owners and reviewers highlight the value proposition under $1,000, the comfortable wearability due to case proportions and slim appearance, and the robust 100m water resistance on several models. The 72-hour power reserve from the 6R51 or 6R55 automatic movements is a consistent positive note. However, one owner criticizes the pin and collar bracelet system as awful, and the 24-hour subdial is noted as potentially annoying by another. Accuracy figures for the 6R55 movement range from +25/-15 seconds per day to within -15/+25 seconds per day. On balance, owners and reviewers rate the Seiko Presage Classic Series highly for its exquisite dial work and strong value at its price point.

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