Which is cheaper, the Formex Essence ThirtyNine or the Sartory Billard SB04?

At MSRP the Formex Essence ThirtyNine is the cheaper of the two at $2,390, against $2,900 for the Sartory Billard SB04 — a $510 gap before any retailer discounting.

Which is bigger, the Formex Essence ThirtyNine or the Sartory Billard SB04?

The Sartory Billard SB04 wears larger at 40mm versus 39mm for the Formex Essence ThirtyNine — a 1mm difference across the dial.

Which has better water resistance, the Formex Essence ThirtyNine or the Sartory Billard SB04?

The Formex Essence ThirtyNine is rated to 100m versus 30m for the Sartory Billard SB04.

Which has a longer power reserve, the Formex Essence ThirtyNine or the Sartory Billard SB04?

The Formex Essence ThirtyNine carries a 41-hour power reserve against 40 hours on the Sartory Billard SB04.

What movement does the Formex Essence ThirtyNine run compared to the Sartory Billard SB04?

Both watches run automatic movements — the Formex Essence ThirtyNine uses the Sellita SW200-1 and the Sartory Billard SB04 uses the LJP G100.

Side by side

Formex Essence ThirtyNinevsSartory Billard SB04

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

Formex Essence ThirtyNine

essence-39-automatic-chronometer-space-ghost

MSRP $2,390

Sartory Billard SB04

MSRP $2,900

At a glance

10 of 29 specs differ

Diameter

Essence ThirtyNine39mm

SB0440mm

Power Reserve

Essence ThirtyNine41h

SB0440h

Water Resistance

Essence ThirtyNine100m

SB0430m

MSRP

Essence ThirtyNine$2,390

SB04$2,900

Full specifications

Case

4 specs

Diameter

39mm

40mm

Thickness

10mm

11.5mm

Lug-to-Lug

45mm

45.5mm

Water Resistance

100m

30m

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Space Ghost

Black

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW200-1

LJP G100

Power Reserve

41h

40h

Pricing

1 specs

MSRP

$2,390

$2,900

Follow this matchup

Get a note when Formex Essence ThirtyNine vs Sartory Billard SB04 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Maenmicro

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Maen Manhattan 40 MSDvsSartory Billard SB04 Maen Manhattan 37 IFL EditionvsSartory Billard SB04 Maen Manhattan 三七vsSartory Billard SB04 Formex Essence FortyOnevsSartory Billard SB04 Formex Essence ThirtyNinevsYema Granvelle CMM.29 Formex Essence ThirtyNinevsVario Empire Art Nouveau Handwound

Edit this comparison Add another watch More dress comparisons Best Dress Watches Under $1,000 Explore more 38–41mm watches

Formex Essence ThirtyNinevsSartory Billard SB04

At a glance

Full specifications

Follow this matchup

More watches worth a look

Manhattan 40 MSD

Granvelle CMM.29

Empire Art Nouveau Handwound

Alliance 01 (Burgundy)

Decaflux

Brunswick 40 (Black)

Arsenale Meteorite

Porcelain Odyssey — Ji

People also compared