Which is bigger, the Seiko Prospex Sea Save the Ocean Special Edition or the Oblvlo TM Simple?

The Seiko Prospex Sea Save the Ocean Special Edition wears larger at 45mm versus 41mm for the Oblvlo TM Simple — a 4mm difference across the dial.

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

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

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

The Oblvlo TM Simple 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 TM Simple?

Both watches run automatic movements — the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36 and the Oblvlo TM Simple uses the Miyota 8215.

Side by side

Seiko Prospex Sea Save the Ocean Special EditionvsOblvlo TM Simple

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

At MSRP the Oblvlo TM Simple is the cheaper of the two at $149, against $625 for the Seiko Prospex Sea Save the Ocean Special Edition — a $476 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 TM Simple

TM-SIM

MSRP $149

At a glance

12 of 29 specs differ

Diameter

Prospex Sea Save the Ocean Special Edition45mm

TM Simple41mm

Power Reserve

Prospex Sea Save the Ocean Special Edition41h

TM Simple42h

Water Resistance

Prospex Sea Save the Ocean Special Edition200m

TM Simple50m

MSRP

Prospex Sea Save the Ocean Special Edition$625

TM Simple$149

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

Super-LumiNova

Movement

3 specs

Caliber

4R36

Miyota 8215

Power Reserve

41h

42h

Jewels

Pricing

1 specs

MSRP

$625

$149

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