Which is cheaper, the Bremont Supermarine 300M or the Oak & Oscar The Olmsted Windup Edition?

At MSRP the Oak & Oscar The Olmsted Windup Edition is the cheaper of the two at $1,775, against $3,550 for the Bremont Supermarine 300M — a $1,775 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 300M or the Oak & Oscar The Olmsted Windup Edition?

The Bremont Supermarine 300M wears larger at 40mm versus 38mm for the Oak & Oscar The Olmsted Windup Edition — a 2mm difference across the dial.

Which has better water resistance, the Bremont Supermarine 300M or the Oak & Oscar The Olmsted Windup Edition?

The Bremont Supermarine 300M is rated to 300m versus 100m for the Oak & Oscar The Olmsted Windup Edition.

Which has a longer power reserve, the Bremont Supermarine 300M or the Oak & Oscar The Olmsted Windup Edition?

The Oak & Oscar The Olmsted Windup Edition carries a 50-hour power reserve against 40 hours on the Bremont Supermarine 300M.

What movement does the Bremont Supermarine 300M run compared to the Oak & Oscar The Olmsted Windup Edition?

Both watches run automatic movements — the Bremont Supermarine 300M uses the BE-92AE and the Oak & Oscar The Olmsted Windup Edition uses the Sellita SW300.

Side by side

Bremont Supermarine 300MvsOak & Oscar The Olmsted Windup Edition

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

Oak & Oscar The Olmsted Windup Edition

OlmWindup

MSRP $1,775

At a glance

16 of 29 specs differ

Diameter

Supermarine 300M40mm

The Olmsted Windup Edition38mm

Power Reserve

Supermarine 300M40h

The Olmsted Windup Edition50h

Water Resistance

Supermarine 300M300m

The Olmsted Windup Edition100m

MSRP

Supermarine 300M$3,550

The Olmsted Windup Edition$1,775

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Double-domed

AR Coating

Inner

Underside

Dial Color

Green

Grey

Lume

None

Super-LumiNova

Movement

4 specs

Caliber

BE-92AE

Sellita SW300

Beat Rate

28,800 vph

4 vph

Power Reserve

40h

50h

Complications

None

GMT, Chronograph, Date

Pricing

1 specs

MSRP

$3,550

$1,775

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