Which is cheaper, the Oak & Oscar The Humboldt Seven Year 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 $2,400 for the Oak & Oscar The Humboldt Seven Year — a $1,775 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt Seven Year or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition wears larger at 45mm versus 39.5mm for the Oak & Oscar The Humboldt Seven Year — a 5.5mm difference across the dial.

Which has a longer power reserve, the Oak & Oscar The Humboldt Seven Year or the Seiko Prospex Sea Save the Ocean Special Edition?

The Oak & Oscar The Humboldt Seven Year carries a 42-hour power reserve against 41 hours on the Seiko Prospex Sea Save the Ocean Special Edition.

What movement does the Oak & Oscar The Humboldt Seven Year run compared to the Seiko Prospex Sea Save the Ocean Special Edition?

Both watches run automatic movements — the Oak & Oscar The Humboldt Seven Year uses the Sellita SW300 and the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36.

Side by side

Oak & Oscar The Humboldt Seven YearvsSeiko Prospex Sea Save the Ocean Special Edition

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

Oak & Oscar The Humboldt Seven Year

HUMSEVENYEAR

MSRP $2,400

Seiko Prospex Sea Save the Ocean Special Edition

srpf77

MSRP $625

At a glance

15 of 29 specs differ

Diameter

The Humboldt Seven Year39.5mm

Prospex Sea Save the Ocean Special Edition45mm

Power Reserve

The Humboldt Seven Year42h

Prospex Sea Save the Ocean Special Edition41h

Water Resistance

The Humboldt Seven Year200m

Prospex Sea Save the Ocean Special Edition200m

MSRP

The Humboldt Seven Year$2,400

Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Double-domed

Flat

AR Coating

Underside

Anti-reflective coating on inner surface

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

5 specs

Caliber

Sellita SW300

4R36

Beat Rate

4 vph

28,800 vph

Power Reserve

42h

41h

Jewels

Complications

GMT, Chronograph, Date

None

Pricing

1 specs

MSRP

$2,400

$625

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