Which is cheaper, the Beaufort Bicompax or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

At MSRP the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is the cheaper of the two at $1,350, against $1,399 for the Beaufort Bicompax — a $49 gap before any retailer discounting.

Which is bigger, the Beaufort Bicompax or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition wears larger at 42.7mm versus 40.5mm for the Beaufort Bicompax — a 2.2mm difference across the dial.

Which has better water resistance, the Beaufort Bicompax or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is rated to 200m versus 50m for the Beaufort Bicompax.

Which has a longer power reserve, the Beaufort Bicompax or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition 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 1970 Heritage Diver's Save the Ocean Special Edition?

The Beaufort Bicompax runs a manual caliber (Sellita SW510M BH b), while the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition runs a automatic (6R35).

Side by side

Beaufort BicompaxvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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

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Beaufort Bicompax

bicompax-circuit-panda-1

MSRP $1,399

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

spb301j1

MSRP $1,350

At a glance

14 of 29 specs differ

Diameter

Bicompax40.5mm

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm

Power Reserve

Bicompax63h

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h

Water Resistance

Bicompax50m

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m

MSRP

Bicompax$1,399

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Salmon

Black

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

6R35

Type

Manual

Automatic

Power Reserve

63h

70h

Jewels

Pricing

1 specs

MSRP

$1,399

$1,350

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Beaufort BicompaxvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

At a glance

Full specifications

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