Which is cheaper, the Formex Essence ThirtyNine or the Grand Seiko SBGA384?

At MSRP the Formex Essence ThirtyNine is the cheaper of the two at $2,390, against $29,500 for the Grand Seiko SBGA384 — a $27,110 gap before any retailer discounting.

Which is bigger, the Formex Essence ThirtyNine or the Grand Seiko SBGA384?

The Grand Seiko SBGA384 wears larger at 40mm versus 39mm for the Formex Essence ThirtyNine — a 1mm difference across the dial.

Which has a longer power reserve, the Formex Essence ThirtyNine or the Grand Seiko SBGA384?

The Grand Seiko SBGA384 carries a 72-hour power reserve against 41 hours on the Formex Essence ThirtyNine.

What movement does the Formex Essence ThirtyNine run compared to the Grand Seiko SBGA384?

The Formex Essence ThirtyNine runs a automatic caliber (Sellita SW200-1), while the Grand Seiko SBGA384 runs a spring drive (9R15).

Side by side

Formex Essence ThirtyNinevsGrand Seiko SBGA384

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

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Formex Essence ThirtyNine

MSRP $2,390

See the full Essence ThirtyNine

MSRP $29,500

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At a glance

12 of 29 specs differ

Diameter

Essence ThirtyNine39mm

SBGA38440mm

Power Reserve

Essence ThirtyNine41h

SBGA38472h

Water Resistance

Essence ThirtyNine100m

SBGA384100m

MSRP

Essence ThirtyNine$2,390

SBGA384$29,500

Full specifications

Case

5 specs

Diameter

39mm

40mm

Thickness

10mm

12.5mm

Lug-to-Lug

45mm

46.2mm

Lug Width

20mm

19mm

Material

Stainless Steel

Gold

Crystal & Dial

3 specs

AR Coating

—

Yes

Dial Color

Space Ghost

—

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Sellita SW200-1

9R15

Type

Automatic

Spring Drive

Power Reserve

41h

72h

Pricing

1 specs

MSRP

$2,390

$29,500

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Formex Essence ThirtyNinevsGrand Seiko SBGA384

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