Which is cheaper, the Bremont Supermarine 300M or the Seestern S471 Double Crown Diver?

At MSRP the Seestern S471 Double Crown Diver is the cheaper of the two at $179, against $3,550 for the Bremont Supermarine 300M — a $3,371 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 300M or the Seestern S471 Double Crown Diver?

The Bremont Supermarine 300M wears larger at 40mm versus 38mm for the Seestern S471 Double Crown Diver — a 2mm difference across the dial.

Which has better water resistance, the Bremont Supermarine 300M or the Seestern S471 Double Crown Diver?

The Bremont Supermarine 300M is rated to 300m versus 100m for the Seestern S471 Double Crown Diver.

Which has a longer power reserve, the Bremont Supermarine 300M or the Seestern S471 Double Crown Diver?

The Seestern S471 Double Crown Diver carries a 35h+-hour power reserve against 40 hours on the Bremont Supermarine 300M.

What movement does the Bremont Supermarine 300M run compared to the Seestern S471 Double Crown Diver?

Both watches run automatic movements — the Bremont Supermarine 300M uses the BE-92AE and the Seestern S471 Double Crown Diver uses the Miyota 8215.

Side by side

Bremont Supermarine 300MvsSeestern S471 Double Crown Diver

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

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

Seestern S471 Double Crown Diver

S471

MSRP $179

At a glance

11 of 29 specs differ

Diameter

Supermarine 300M40mm

S471 Double Crown Diver38mm

Power Reserve

Supermarine 300M40h

S471 Double Crown Diver35h+h

Water Resistance

Supermarine 300M300m

S471 Double Crown Diver100m

MSRP

Supermarine 300M$3,550

S471 Double Crown Diver$179

Full specifications

Case

4 specs

Diameter

40mm

38mm

Lug-to-Lug

—

40.3mm

Material

904L Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

1 specs

Dial Color

Green

Blue

Movement

5 specs

Caliber

BE-92AE

Miyota 8215

Beat Rate

28,800 vph

3 vph

Power Reserve

40h

35h+h

Jewels

Complications

None

Date

Pricing

1 specs

MSRP

$3,550

$179

Follow this matchup

Get a note when Bremont Supermarine 300M vs Seestern S471 Double Crown Diver gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring