Which is cheaper, the Bremont Longitude Limited Edition or the Seiko Prospex Sea Save the Ocean Special Edition?

At MSRP the Seiko Prospex Sea Save the Ocean Special Edition is the cheaper of the two at $625, against $18,100 for the Bremont Longitude Limited Edition — a $17,475 gap before any retailer discounting.

Which is bigger, the Bremont Longitude Limited Edition or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition wears larger at 45mm versus 40mm for the Bremont Longitude Limited Edition — a 5mm difference across the dial.

Which has a longer power reserve, the Bremont Longitude Limited Edition or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition carries a 41-hour power reserve against 40 hours on the Bremont Longitude Limited Edition.

What movement does the Bremont Longitude Limited Edition run compared to the Seiko Prospex Sea Save the Ocean Special Edition?

Both watches run automatic movements — the Bremont Longitude Limited Edition uses the ENG300 and the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36.

Side by side

Bremont Longitude Limited EditionvsSeiko Prospex Sea Save the Ocean Special Edition

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

Bremont Longitude Limited Edition

longitude-steel

MSRP $18,100

Seiko Prospex Sea Save the Ocean Special Edition

srpf77

MSRP $625

At a glance

13 of 29 specs differ

Diameter

Longitude Limited Edition40mm

Prospex Sea Save the Ocean Special Edition45mm

Power Reserve

Longitude Limited Edition40h

Prospex Sea Save the Ocean Special Edition41h

Water Resistance

Longitude Limited Edition—

Prospex Sea Save the Ocean Special Edition200m

MSRP

Longitude Limited Edition$18,100

Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Steel

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

ENG300

4R36

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$18,100

$625

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