Which is cheaper, the Marathon Steel Navigator SSNAV Auto or the Sartory Billard SB04-E?

At MSRP the Marathon Steel Navigator SSNAV Auto is the cheaper of the two at $1,300, against $3,100 for the Sartory Billard SB04-E — a $1,800 gap before any retailer discounting.

Which is bigger, the Marathon Steel Navigator SSNAV Auto or the Sartory Billard SB04-E?

The Marathon Steel Navigator SSNAV Auto wears larger at 41mm versus 39.5mm for the Sartory Billard SB04-E — a 1.5mm difference across the dial.

Which has better water resistance, the Marathon Steel Navigator SSNAV Auto or the Sartory Billard SB04-E?

The Sartory Billard SB04-E is rated to 100m versus 60m for the Marathon Steel Navigator SSNAV Auto.

Which has a longer power reserve, the Marathon Steel Navigator SSNAV Auto or the Sartory Billard SB04-E?

The Sartory Billard SB04-E carries a 68-hour power reserve against 40 hours on the Marathon Steel Navigator SSNAV Auto.

What movement does the Marathon Steel Navigator SSNAV Auto run compared to the Sartory Billard SB04-E?

Both watches run automatic movements — the Marathon Steel Navigator SSNAV Auto uses the Sellita SW200-1 and the Sartory Billard SB04-E uses the LJP G101ET.

Side by side

Marathon Steel Navigator SSNAV AutovsSartory Billard SB04-E

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

Marathon Steel Navigator SSNAV Auto

41mm-steel-navigator-automatic-ssnav-auto-on-ballistic-nylon

MSRP $1,300

Sartory Billard SB04-E

MSRP $3,100

At a glance

12 of 29 specs differ

Diameter

Steel Navigator SSNAV Auto41mm

SB04-E39.5mm

Power Reserve

Steel Navigator SSNAV Auto40h

SB04-E68h

Water Resistance

Steel Navigator SSNAV Auto60m

SB04-E100m

MSRP

Steel Navigator SSNAV Auto$1,300

SB04-E$3,100

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

None

Super-LumiNova BGW9

Movement

3 specs

Caliber

Sellita SW200-1

LJP G101ET

Power Reserve

40h

68h

Jewels

Pricing

1 specs

MSRP

$1,300

$3,100

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