Which is cheaper, the Helgray GMT (Refurbished) or the Sternglas Naos Pro Automatik?

At MSRP the Helgray GMT (Refurbished) is the cheaper of the two at $150, against $755 for the Sternglas Naos Pro Automatik — a $605 gap before any retailer discounting.

Which is bigger, the Helgray GMT (Refurbished) or the Sternglas Naos Pro Automatik?

The Helgray GMT (Refurbished) wears larger at 42mm versus 38mm for the Sternglas Naos Pro Automatik — a 4mm difference across the dial.

Which has a longer power reserve, the Helgray GMT (Refurbished) or the Sternglas Naos Pro Automatik?

The Sternglas Naos Pro Automatik carries a 42-hour power reserve against 40 hours on the Helgray GMT (Refurbished).

What movement does the Helgray GMT (Refurbished) run compared to the Sternglas Naos Pro Automatik?

The Helgray GMT (Refurbished) runs a quartz caliber (Swiss-Made Ronda 515.24H Strap), while the Sternglas Naos Pro Automatik runs a automatic (Miyota 9015).

Side by side

Helgray GMT (Refurbished)vsSternglas Naos Pro Automatik

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

Helgray GMT (Refurbished)

gmt-1

MSRP $150

Sternglas Naos Pro Automatik

naos-pro-automatik-alabaster

MSRP $755

At a glance

11 of 29 specs differ

Diameter

GMT (Refurbished)42mm

Naos Pro Automatik38mm

Power Reserve

GMT (Refurbished)40h

Naos Pro Automatik42h

Water Resistance

GMT (Refurbished)50m

Naos Pro Automatik50m

MSRP

GMT (Refurbished)$150

Naos Pro Automatik$755

Full specifications

Case

4 specs

Crystal & Dial

2 specs

Dial Color

Black

—

Lume

None

Luminova Punkte

Movement

4 specs

Caliber

Swiss-Made Ronda 515.24H Strap

Miyota 9015

Type

Quartz

Automatic

Power Reserve

40h

42h

Jewels

—

Pricing

1 specs

MSRP

$150

$755

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