Which is cheaper, the Oak & Oscar The Olmsted ExP-01 or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $1,775 for the Oak & Oscar The Olmsted ExP-01 — a $1,526 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Olmsted ExP-01 or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 38mm for the Oak & Oscar The Olmsted ExP-01 — a 2mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Olmsted ExP-01 or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 100m for the Oak & Oscar The Olmsted ExP-01.

Which has a longer power reserve, the Oak & Oscar The Olmsted ExP-01 or the Helgray Poseidon Diver (Automatic)?

The Oak & Oscar The Olmsted ExP-01 carries a 42-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Oak & Oscar The Olmsted ExP-01 run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Oak & Oscar The Olmsted ExP-01 uses the Sellita SW300 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Oak & Oscar The Olmsted ExP-01vsHelgray Poseidon Diver (Automatic)

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

Oak & Oscar The Olmsted ExP-01

OlmExP01

MSRP $1,775

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

14 of 29 specs differ

Diameter

The Olmsted ExP-0138mm

Poseidon Diver (Automatic)40mm

Power Reserve

The Olmsted ExP-0142h

Poseidon Diver (Automatic)40h

Water Resistance

The Olmsted ExP-01100m

Poseidon Diver (Automatic)300m

MSRP

The Olmsted ExP-01$1,775

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Double-domed

Flat

AR Coating

Underside

Inner

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Sellita SW300

NH35 Warranty

Beat Rate

4 vph

28,800 vph

Power Reserve

42h

40h

Complications

GMT, Chronograph, Date

None

Pricing

1 specs

MSRP

$1,775

$249

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