What movement does the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch run compared to the Oak & Oscar The Humboldt Seven Year?

Both watches run automatic movements — the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L45 and the Oak & Oscar The Humboldt Seven Year uses the Sellita SW300.

Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsOak & Oscar The Humboldt Seven Year

Q: Which is cheaper, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Oak & Oscar The Humboldt Seven Year?

At MSRP the Oak & Oscar The Humboldt Seven Year is the cheaper of the two at $2,400, against $3,600 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $1,200 gap before any retailer discounting.

Q: Which is bigger, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Oak & Oscar The Humboldt Seven Year?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch wears larger at 42.6mm versus 39.5mm for the Oak & Oscar The Humboldt Seven Year — a 3.1mm difference across the dial.

Q: Which has better water resistance, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Oak & Oscar The Humboldt Seven Year?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch is rated to 300m versus 200m for the Oak & Oscar The Humboldt Seven Year.

Q: Which has a longer power reserve, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Oak & Oscar The Humboldt Seven Year?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch carries a 72-hour power reserve against 42 hours on the Oak & Oscar The Humboldt Seven Year.

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

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

hbf001j1

MSRP $3,600

Oak & Oscar The Humboldt Seven Year

HUMSEVENYEAR

MSRP $2,400

At a glance

15 of 29 specs differ

Diameter

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm

The Humboldt Seven Year39.5mm

Power Reserve

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h

The Humboldt Seven Year42h

Water Resistance

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

The Humboldt Seven Year200m

MSRP

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600

The Humboldt Seven Year$2,400

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Curved

Double-domed

AR Coating

Anti-reflective coating on inner surface

Underside

Lume

LumiBrite on hands, index(es) and bezel

Super-LumiNova

Movement

5 specs

Caliber

8L45

Sellita SW300

Beat Rate

28,800 vph

4 vph

Power Reserve

72h

42h

Jewels

Complications

None

GMT, Chronograph, Date

Pricing

1 specs

MSRP

$3,600

$2,400

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