Which is cheaper, the Marnaut Safe Harbour 100 or the Spinnaker Cahill Automatic?

At MSRP the Spinnaker Cahill Automatic is the cheaper of the two at $350, against $1,042 for the Marnaut Safe Harbour 100 — a $692 gap before any retailer discounting.

Which is bigger, the Marnaut Safe Harbour 100 or the Spinnaker Cahill Automatic?

The Spinnaker Cahill Automatic wears larger at 42mm versus 39mm for the Marnaut Safe Harbour 100 — a 3mm difference across the dial.

Which has better water resistance, the Marnaut Safe Harbour 100 or the Spinnaker Cahill Automatic?

The Spinnaker Cahill Automatic is rated to 200m versus 100m for the Marnaut Safe Harbour 100.

Which has a longer power reserve, the Marnaut Safe Harbour 100 or the Spinnaker Cahill Automatic?

The Marnaut Safe Harbour 100 carries a 41-hour power reserve against 40 hours on the Spinnaker Cahill Automatic.

What movement does the Marnaut Safe Harbour 100 run compared to the Spinnaker Cahill Automatic?

Both watches run automatic movements — the Marnaut Safe Harbour 100 uses the Sellita SW200-1 and the Spinnaker Cahill Automatic uses the SII NH35A.

Side by side

Marnaut Safe Harbour 100vsSpinnaker Cahill Automatic

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

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Marnaut Safe Harbour 100

MSRP $1,042

Spinnaker Cahill Automatic

cahill-automatic-moss-green-sp-5064-02

MSRP $350

At a glance

12 of 29 specs differ

Diameter

Safe Harbour 10039mm

Cahill Automatic42mm

Power Reserve

Safe Harbour 10041h

Cahill Automatic40h

Water Resistance

Safe Harbour 100100m

Cahill Automatic200m

MSRP

Safe Harbour 100$1,042

Cahill Automatic$350

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Black

Green

Lume

SuperLuminova C3

None

Movement

2 specs

Caliber

Sellita SW200-1

SII NH35A

Power Reserve

41h

40h

Pricing

1 specs

MSRP

—

$350

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