Which is cheaper, the Beaufort Bicompax or the Seiko Prospex Sea?

At MSRP the Seiko Prospex Sea is the cheaper of the two at $900, against $1,399 for the Beaufort Bicompax — a $499 gap before any retailer discounting.

Which is bigger, the Beaufort Bicompax or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 41mm versus 40.5mm for the Beaufort Bicompax — a 0.5mm difference across the dial.

Which has better water resistance, the Beaufort Bicompax or the Seiko Prospex Sea?

The Seiko Prospex Sea is rated to 200m versus 50m for the Beaufort Bicompax.

Which has a longer power reserve, the Beaufort Bicompax or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 70-hour power reserve against 63 hours on the Beaufort Bicompax.

What movement does the Beaufort Bicompax run compared to the Seiko Prospex Sea?

The Beaufort Bicompax runs a manual caliber (Sellita SW510M BH b), while the Seiko Prospex Sea runs a automatic (Seiko 6R35).

Side by side

Beaufort BicompaxvsSeiko Prospex Sea

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

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Beaufort Bicompax

MSRP $1,399

See the full Bicompax

Seiko Prospex Sea

MSRP $900

See the full Prospex Sea

At a glance

14 of 29 specs differ

Diameter

Bicompax40.5mm

Prospex Sea41mm

Power Reserve

Bicompax63h

Prospex Sea70h

Water Resistance

Bicompax50m

Prospex Sea200m

MSRP

Bicompax$1,399

Prospex Sea$900

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

—

Curved

AR Coating

—

Anti-reflective coating on inner surface

Dial Color

Salmon

—

Lume

Super-LumiNova applied to the index and hands for low-light readability.

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Sellita SW510M BH b

Seiko 6R35

Type

Manual

Automatic

Power Reserve

63h

70h

Jewels

Pricing

1 specs

MSRP

$1,399

$900

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