Formex Essence Ceramica Skeleton COSC 41mm (GT)

The Formex Essence Ceramica Skeleton COSC 41mm (GT) is a current-production watch with a black zirconium oxide ceramic case. At 56 g it sits among the lighter watches in the guide, and is priced close to the $4,760 median across the guide. It ships on a matching ceramic bracelet rather than a strap.

1 official photo · reader photos welcome

Price

$4,920

Ceramic

Zirconium oxide ceramic

Weight

56 g (head only)

Water resistance

100 m

Reference

0336.9.6051.410

Type

Other

Case diameter

41.0 mm

Thickness

11.2 mm

Lug-to-lug

46.2 mm

Origin

Switzerland

Movement

Automatic (COSC chronometer), skeletonized

Caliber

Sellita SW200-1 SC

Power reserve

41 h

Complications

Date

Colour

Black

Construction

Assembled

Caseback

Sapphire

Nickel-free

Not verified (bracelet, strap, or clasp hardware not confirmed)

Bracelet / strap

Zirconium oxide ceramic bracelet with ceramic clasp

Ceramic bracelet

Standard

Crystal

Sapphire

Display back

Yes

Dial

Openworked skeleton (gear-inspired) dial, rose gold hands and indices

Lume

Super-LumiNova

Availability

Offered

Status

Current, limited edition of 88

Not published

Hardness, Surface treatment

Medium confidence Verified Jul 2026 Source: Formex Essence Ceramica Skeleton GT (maker)

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