Greubel Forsey Nano Foudroyante EWT

The Greubel Forsey Nano Foudroyante EWT is a current-production watch with a tantalum + white gold case. It is priced well above the $1,361.50 median across the guide. The caseback is open, so the movement is visible.

2 official photos · reader photos welcome

Price

$465,000

Material

Tantalum

Grade / type

Tantalum + white gold

Water resistance

30 m

Type

Other

Origin

Switzerland

Movement

Automatic, flying tourbillon

Complications

Tourbillon

Colour

Multi

Construction

Assembled

Finish technology

Natural finish

Caseback

Sapphire

Nickel-free

Unconfirmed (bracelet, strap, or clasp hardware not confirmed)

Bracelet / strap

Leather strap

Crystal

Sapphire

Display back

Yes

Dial

Openworked

Availability

Offered

Status

Current (limited)

Not published

Reference, Case diameter, Thickness, Lug-to-lug, Weight, Caliber, Power reserve, Hardness, Surface treatment, Matching bracelet, Lume

Medium confidence Verified Jul 2026 Source: Greubel Forsey (maker) / Time+Tide

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