Which is bigger, the Seiko Prospex Sea Save the Ocean Special Edition or the Oblvlo XM Racing?

The Seiko Prospex Sea Save the Ocean Special Edition wears larger at 45mm versus 42mm for the Oblvlo XM Racing — a 3mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea Save the Ocean Special Edition or the Oblvlo XM Racing?

The Seiko Prospex Sea Save the Ocean Special Edition is rated to 200m versus 50m for the Oblvlo XM Racing.

Which has a longer power reserve, the Seiko Prospex Sea Save the Ocean Special Edition or the Oblvlo XM Racing?

The Oblvlo XM Racing carries a 42-hour power reserve against 41 hours on the Seiko Prospex Sea Save the Ocean Special Edition.

What movement does the Seiko Prospex Sea Save the Ocean Special Edition run compared to the Oblvlo XM Racing?

Both watches run automatic movements — the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36 and the Oblvlo XM Racing uses the Miyota 82S7.

Side by side

Seiko Prospex Sea Save the Ocean Special EditionvsOblvlo XM Racing

Q: Which is cheaper, the Seiko Prospex Sea Save the Ocean Special Edition or the Oblvlo XM Racing?

At MSRP the Oblvlo XM Racing is the cheaper of the two at $269, against $625 for the Seiko Prospex Sea Save the Ocean Special Edition — a $356 gap before any retailer discounting.

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

Seiko Prospex Sea Save the Ocean Special Edition

srpf77

MSRP $625

Oblvlo XM Racing

XM-RACING

MSRP $269

At a glance

12 of 29 specs differ

Diameter

Prospex Sea Save the Ocean Special Edition45mm

XM Racing42mm

Power Reserve

Prospex Sea Save the Ocean Special Edition41h

XM Racing42h

Water Resistance

Prospex Sea Save the Ocean Special Edition200m

XM Racing50m

MSRP

Prospex Sea Save the Ocean Special Edition$625

XM Racing$269

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

4R36

Miyota 82S7

Power Reserve

41h

42h

Jewels

Pricing

1 specs

MSRP

$625

$269

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