The Wristwatch Field Guide

Formex Essence Leggera FortyOne Forged Carbon

0331.4.6398.910

The Formex Essence Leggera FortyOne Forged Carbon is a current-production integrated bracelet watch with a forged carbon case. At 40 g it sits among the lighter integrated bracelet watches in the guide, and is priced well under the $13,300 median for the category. The caseback is open, so the movement is visible.

Exotic-material integrated bracelet watchesBlackDisplay backUnder $5,000
Price
$2,520
Material
Carbon
Grade / type
Forged carbon
Weight
40 g (head only)
Water resistance
300 m
Reference
0331.4.6398.910
Type
Integrated bracelet
Case diameter
41.0 mm
Origin
Switzerland
Movement
Automatic, chronometer
Caliber
Sellita SW200-1 (COSC)
Power reserve
41 hours
Complications
Date
Colour
Black
Construction
Assembled
Caseback
Titanium
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Rubber or leather strap with the Formex case suspension system
Crystal
Sapphire
Display back
Yes
Dial
Space Glacier (Muonionalusta meteorite, ice-blue), also Space Gold
Dial colours
Blue Gold Meteorite
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Thickness, Lug-to-lug, Hardness, Surface treatment, Matching bracelet
High confidence Verified Jul 2026 Source: Formex Essence Leggera 41mm (maker) Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the Formex Essence Leggera FortyOne Forged Carbon

SeikoAstron GPS Solar (3X62) SSJ013$2,20041.2 mm12 mm thick110 gIntegrated braceletsame category · same style · shared complications · similar priceChristopher Ward The Twelve 36 (Titanium)Christopher WardThe Twelve 36 (Titanium)$2,35036.0 mm8.9 mm thickIntegrated braceletsame category · same style · similar price · same movementNivada Grenchen F77 TitaniumNivada GrenchenF77 Titanium$1,49037.0 mm12 mm thick86 gIntegrated braceletsame category · same style · shared complications · similar priceRado True Square Automatic Skeleton (plasma)RadoTrue Square Automatic Skeleton (plasma)$3,45038.0 mm9.7 mm thick117 gIntegrated braceletsame category · same style · similar price · similar sizeDuxot Pamplona Ceramic Automatic Fume Brown (Limited Edition)DuxotPamplona Ceramic Automatic Fume Brown (Limited Edition)$44941.0 mm13 mm thick180 gIntegrated braceletsame category · same style · shared complications · similar sizeDuxot Pamplona Ceramic Automatic Fume Blue (Limited Edition)DuxotPamplona Ceramic Automatic Fume Blue (Limited Edition)$64041.0 mm13 mm thick180 gIntegrated braceletsame category · same style · shared complications · similar size

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Frequently asked questions

What is the case material of the Formex Essence Leggera FortyOne Forged Carbon?

The Formex Essence Leggera FortyOne Forged Carbon has a forged carbon case with a titanium caseback. This is confirmed against the maker spec.

What size is the Formex Essence Leggera FortyOne Forged Carbon?

It is 41.0 mm in diameter, and water resistant to 300 m.

How much does the Formex Essence Leggera FortyOne Forged Carbon weigh?

About 40 g (head).

How much does the Formex Essence Leggera FortyOne Forged Carbon cost, and is it available?

It is current-production and lists from $2,520.

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