Which is cheaper, the Bremont Supermarine 500M or the Sheffield 1A?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $4,700 for the Bremont Supermarine 500M — a $4,477 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 500M or the Sheffield 1A?

The Bremont Supermarine 500M wears larger at 43mm versus 40mm for the Sheffield 1A — a 3mm difference across the dial.

Which has better water resistance, the Bremont Supermarine 500M or the Sheffield 1A?

The Bremont Supermarine 500M is rated to 500m versus 200m for the Sheffield 1A.

What movement does the Bremont Supermarine 500M run compared to the Sheffield 1A?

Both watches run automatic movements — the Bremont Supermarine 500M uses the BE-92AE and the Sheffield 1A uses the Seiko NH35A.

Side by side

Bremont Supermarine 500MvsSheffield 1A

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

Add a watch

Bremont Supermarine 500M

sm43-dt-ss-bk-n-s

MSRP $4,700

Sheffield 1A

diver-1a-40mm-white

MSRP $223

At a glance

12 of 29 specs differ

Diameter

Supermarine 500M43mm

1A40mm

Power Reserve

Supermarine 500M40h

1A—

Water Resistance

Supermarine 500M500m

1A200m

MSRP

Supermarine 500M$4,700

1A$223

Full specifications

Case

6 specs

Diameter

43mm

40mm

Thickness

13mm

12.8mm

Lug-to-Lug

—

46mm

Lug Width

22mm

20mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

500m

200m

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Black

White/Blue

Lume

None

Swiss blue lume

Movement

2 specs

Caliber

BE-92AE

Seiko NH35A

Power Reserve

40h

—

Pricing

1 specs

MSRP

$4,700

$223

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Bremont Supermarine 500MvsSheffield 1A

At a glance

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