Which is cheaper, the Bremont Altitude Perpetual Calendar GMT or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $38,450 for the Bremont Altitude Perpetual Calendar GMT — a $38,201 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Perpetual Calendar GMT or the Helgray Poseidon Diver (Automatic)?

The Bremont Altitude Perpetual Calendar GMT wears larger at 42mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 2mm difference across the dial.

Side by side

Bremont Altitude Perpetual Calendar GMTvsHelgray Poseidon Diver (Automatic)

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

Bremont Altitude Perpetual Calendar GMT

alt42-per-ti-bl-b

MSRP $38,450

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

10 of 29 specs differ

Diameter

Altitude Perpetual Calendar GMT42mm

Poseidon Diver (Automatic)40mm

Power Reserve

Altitude Perpetual Calendar GMT40h

Poseidon Diver (Automatic)40h

Water Resistance

Altitude Perpetual Calendar GMT—

Poseidon Diver (Automatic)300m

MSRP

Altitude Perpetual Calendar GMT$38,450

Poseidon Diver (Automatic)$249

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Blue

Black

Movement

1 specs

Caliber

—

NH35 Warranty

Pricing

1 specs

MSRP

$38,450

$249

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