Which is cheaper, the Sternglas Naos Pro GMT Automatik or the Sartory Billard SB04-E?

At MSRP the Sternglas Naos Pro GMT Automatik is the cheaper of the two at $863, against $3,100 for the Sartory Billard SB04-E — a $2,237 gap before any retailer discounting.

Which is bigger, the Sternglas Naos Pro GMT Automatik or the Sartory Billard SB04-E?

The Sartory Billard SB04-E wears larger at 39.5mm versus 38mm for the Sternglas Naos Pro GMT Automatik — a 1.5mm difference across the dial.

Which has better water resistance, the Sternglas Naos Pro GMT Automatik or the Sartory Billard SB04-E?

The Sartory Billard SB04-E is rated to 100m versus 50m for the Sternglas Naos Pro GMT Automatik.

Which has a longer power reserve, the Sternglas Naos Pro GMT Automatik or the Sartory Billard SB04-E?

The Sartory Billard SB04-E carries a 68-hour power reserve against 42 hours on the Sternglas Naos Pro GMT Automatik.

What movement does the Sternglas Naos Pro GMT Automatik run compared to the Sartory Billard SB04-E?

Both watches run automatic movements — the Sternglas Naos Pro GMT Automatik uses the Miyota 9075 and the Sartory Billard SB04-E uses the LJP G101ET.

Side by side

Sternglas Naos Pro GMT AutomatikvsSartory Billard SB04-E

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

Sternglas Naos Pro GMT Automatik

naos-pro-automatik-gmt-dunkelblau

MSRP $863

Sartory Billard SB04-E

MSRP $3,100

At a glance

12 of 29 specs differ

Diameter

Naos Pro GMT Automatik38mm

SB04-E39.5mm

Power Reserve

Naos Pro GMT Automatik42h

SB04-E68h

Water Resistance

Naos Pro GMT Automatik50m

SB04-E100m

MSRP

Naos Pro GMT Automatik$863

SB04-E$3,100

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

—

Black

Lume

Luminova Punkte

Super-LumiNova BGW9

Movement

3 specs

Caliber

Miyota 9075

LJP G101ET

Power Reserve

42h

68h

Jewels

—

Pricing

1 specs

MSRP

$863

$3,100

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