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

At MSRP the Helgray GMT (Refurbished) is the cheaper of the two at $150, against $863 for the Sternglas Naos Pro GMT Automatik — a $713 gap before any retailer discounting.

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

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

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

The Sternglas Naos Pro GMT 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 GMT Automatik?

The Helgray GMT (Refurbished) runs a quartz caliber (Swiss-Made Ronda 515.24H Strap), while the Sternglas Naos Pro GMT Automatik runs a automatic (Miyota 9075).

Side by side

Helgray GMT (Refurbished)vsSternglas Naos Pro GMT 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 GMT Automatik

naos-pro-automatik-gmt-dunkelblau

MSRP $863

At a glance

10 of 29 specs differ

Diameter

GMT (Refurbished)42mm

Naos Pro GMT Automatik38mm

Power Reserve

GMT (Refurbished)40h

Naos Pro GMT Automatik42h

Water Resistance

GMT (Refurbished)50m

Naos Pro GMT Automatik50m

MSRP

GMT (Refurbished)$150

Naos Pro GMT Automatik$863

Full specifications

Case

3 specs

Diameter

42mm

38mm

Thickness

12mm

11mm

Lug-to-Lug

46mm

42mm

Crystal & Dial

2 specs

Dial Color

Black

—

Lume

None

Luminova Punkte

Movement

4 specs

Caliber

Swiss-Made Ronda 515.24H Strap

Miyota 9075

Type

Quartz

Automatic

Power Reserve

40h

42h

Jewels

—

Pricing

1 specs

MSRP

$150

$863

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