Which is cheaper, the Oblvlo RX Day-Date or the Seiko Prospex Sea Save the Ocean Special Edition?

At MSRP the Oblvlo RX Day-Date is the cheaper of the two at $336, against $625 for the Seiko Prospex Sea Save the Ocean Special Edition — a $289 gap before any retailer discounting.

Which is bigger, the Oblvlo RX Day-Date 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 Oblvlo RX Day-Date — a 5mm difference across the dial.

Which has better water resistance, the Oblvlo RX Day-Date or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition is rated to 200m versus 50m for the Oblvlo RX Day-Date.

Which has a longer power reserve, the Oblvlo RX Day-Date or the Seiko Prospex Sea Save the Ocean Special Edition?

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

What movement does the Oblvlo RX Day-Date run compared to the Seiko Prospex Sea Save the Ocean Special Edition?

Both watches run automatic movements — the Oblvlo RX Day-Date uses the Miyota 8285 and the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36.

Side by side

Oblvlo RX Day-DatevsSeiko Prospex Sea Save the Ocean Special Edition

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

Oblvlo RX Day-Date

RX-DD-AD

MSRP $336

Seiko Prospex Sea Save the Ocean Special Edition

srpf77

MSRP $625

At a glance

13 of 29 specs differ

Diameter

RX Day-Date40mm

Prospex Sea Save the Ocean Special Edition45mm

Power Reserve

RX Day-Date42h

Prospex Sea Save the Ocean Special Edition41h

Water Resistance

RX Day-Date50m

Prospex Sea Save the Ocean Special Edition200m

MSRP

RX Day-Date$336

Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Miyota 8285

4R36

Power Reserve

42h

41h

Jewels

Complications

Day, Date

None

Pricing

1 specs

MSRP

$336

$625

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