Name: Laurent Ferrier Sport Auto 40 Bronze LCF043.BR.CG2.1
Brand: Laurent Ferrier
SKU: LCF043.BR.CG2.1

The Sport Auto 40 Bronze is Laurent Ferrier's entry into the bronze sport watch category and the most accessible entry point into the brand: the LF 229.02 calibre is in-house, the 40mm bronze case develops the patina that bronze buyers seek, and the sport proportions broaden the wearing context beyond the dress references. Relative to the Classic Origin, this is where the brand engages collectors who want something more wearable in daily use.

What it is

Laurent Ferrier introduced the Sport line as a complement to the classic Galet family, responding to collector interest in in-house bronze watches that could be worn outside formal contexts. The LF 229.02 calibre used in the Sport Auto line is an automatic movement; the Classic Origin line uses the LF 116.01 manual-wind. The bronze case is Ferrier's acknowledgment that the material's patina properties are genuinely desirable, not merely fashionable.

Production volumes remain tiny by industry standards.

Buying notes

Bronze care requirements apply here as with any bronze-cased watch: the alloy will patinate with wear and environmental exposure, and that patina will be uneven if the watch is worn inconsistently or stored in a humid environment. The sport case at 40mm is more versatile than the Galet dress references but Laurent Ferrier is still not a tool-watch brand; the water resistance is adequate for light use, not diving. Service access is the same constraint as the Classic Origin: in-house movement, limited authorized service network.

Market read

The Sport Auto 40 Bronze retails in the CHF 20,000 to 30,000 range, below the tourbillon and complications in the lineup. The secondary market is narrower than the Classic Origin because production is lower and the bronze collector niche within the Laurent Ferrier buyer pool is small. For buyers entering the brand, this reference offers the in-house movement story with a more relaxed wearing context than the dress line.

Service expectations

Service through Laurent Ferrier Geneva or authorized agents, same constraints as the Classic Origin. The LF 229.02 automatic requires the same brand-specific expertise as the manual-wind calibres. Gasket inspection is relevant at the same intervals as any sport watch used near water, even if diving use is not the intent.

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Movement tier: unclassified · caliber Laurent Ferrier Cal. LF270.01: in-house automatic, 28,800bph, 80h PR; used in Classic Origin and Sport Auto; micro-rotor; Geneva-finished independently · 80h power reserve (3.3 days)

Medium-large: suits wrists 6.5 in+ (16.5 cm+)

40 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.

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Authentication

The Sport Auto 40 bronze shares the LF270.01 micro-rotor with the Classic Origin; verify the micro-rotor through the caseback and expect natural patination on the bronze case.

Known issues in the market

Bronze case patination is expected and desirable; a polished bronze case has been stripped.
The LF270.01 micro-rotor is shared with the Classic Origin; full rotor means non-genuine movement.

Area	What to check	What is correct	Red flag
movement	LF270.01 micro-rotor through caseback	Micro-rotor visible; no full rotor; same architecture as Classic Origin	Full rotor present; non-genuine movement
case	Bronze case patination	Natural patination consistent with age; desirable and expected	Polished bronze with no patination; case has been stripped
movement	80h power reserve	Approximately 80h actual run time	Run time substantially below 80h; worn mainspring or regulation issue

Common legitimate replacements

Crown; Laurent Ferrier-signed only.
Crystal; sapphire standard.

Expert resources: Laurent Ferrier authorized service; Geneva independent watchmaker network.

Authentication guide

Last reviewed June 2026

The Galet Sport in bronze is a distinctive material choice for a Galet family watch rated to 120m. The bronze case develops a natural patina, paired with a titanium bezel insert. The same Cal. LF270.01 micro-rotor automatic powers this reference. A patina-free bronze case is either new or has been polished, which reduces surface character and collector value.

Known reproduction risks

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Steel case presented as bronze in Galet Sport configuration

Case that does not develop patina after extended wear -- steel does not oxidize to bronze's characteristic brown-green verdigris
Uniform grey metallic color on the case body rather than the warm brown-orange of CuSn bronze
Bezel and case body in matching material color -- the genuine Sport has visible contrast between bronze case and titanium bezel

Dial variants by era

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Era	Description	Identifiers
2022 to present	Green or brown dial in the 40mm Galet Sport case. Bronze case body with titanium bezel. Crown at 3 with soft gasket seal for 120m water resistance. Rubber or leather strap.	Bronze case: the case body has the characteristic warm brown-orange metallic color of CuSn bronze alloy, not steel or titanium Titanium bezel: the bezel has a noticeably lighter grey color contrasting with the bronze case body; titanium is cooler and harder than bronze Sport case profile: the Galet Sport retains the flowing lug DNA of the Classic but with a more robust case architecture and defined bezel Green or brown dial in the current production configuration; no applied indices as elaborate as the Classic Origin Crown with soft pushback gasket profile for 120m water resistance

Service part flags

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Bronze case patina

Original: CuSn bronze develops a natural brown-green patina (verdigris) through oxidation exposure. The rate of patina formation depends on skin contact and environment. An unpatinated bronze case is either new-old-stock or has been chemically stripped or polished.

Replacement tells

Bright polished bronze case on a watch with significant service history -- bronze that has been owned and worn will show at least some patina development
Uniform orange-copper color with no variation -- genuine wear produces uneven patina consistent with contact points
Any silver or steel luster on the case body -- bronze does not show silver tones; grey elements should be titanium bezel only

Titanium bezel

Original: The bezel is Grade 5 titanium, matte-finished, clearly lighter in color than the bronze case body. The contrast between the two materials is a visual signature of this reference.

Replacement tells

Bezel in matching bronze color -- if both case and bezel are bronze, the titanium bezel has been replaced
Bezel with a steel or polished appearance rather than the matte titanium finish

Movement (Cal. LF270.01)

Original: Same automatic micro-rotor movement as the Classic Origin Opaline. 18k gold micro-rotor, 80-hour power reserve, 28,800 vph (4Hz). Double direct-impulse escapement.

Replacement tells

Full oscillating rotor instead of micro-rotor through caseback
Power reserve outside the 80-hour specification
Movement without "Laurent Ferrier" designation on bridges

Case back markings

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2022 to present

Ref. LCF043.BR.CG2.1 (or variant)
"CAL. LF270.01" movement designation
"LAURENT FERRIER" and "GENEVE"
Serial number
120M water resistance
Exhibition sapphire caseback

Movement tells

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Cal. LF270.01 service tells are identical to the Classic Origin Opaline: 80-hour power reserve, 28,800 vph (4Hz), micro-rotor automatic, double direct-impulse escapement.
The Sport Auto is rated to 120m. After any service that opens the case, the crown seal should be pressure-tested before immersion.

Sources: Laurent Ferrier official: Galet Sport.