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The Encyclopedia of Horology

Wristwatch · Chronograph

Longines Conquest Chronograph wristwatch, ref. L3.701.4

Partially verified

This Longines Conquest Chronograph wristwatch, reference L3.701.4, dates to circa 2010. It features a 41 mm round stainless steel case with polished and brushed surfaces, flanked by protective crown guards and chronograph pushers. The black dial contains applied indices, an Arabic numeral 12, three silvered subdials, a date aperture positioned at 4 o'clock, and an inner flange marked with tachymeter gradations. It is powered by the Longines quartz caliber L440, based on an ETA G10.211 movement with ADD and SPLIT functions. The watch is fitted with a sapphire crystal and an integrated steel link bracelet.

Longines Conquest Chronograph wristwatch, ref. L3.701.4
Longines Conquest Chronograph wristwatch, ref. L3.701.4 — Setdart Auction House / Invaluable. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.invaluable.com
Category
Wristwatch · Chronograph
Maker / attribution
Longines
Reference
L3.701.4
Catalogue / lot identifier
281
Source-reported date
ca. 2010
Country
Switzerland
Source-reported serial
426210XX

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and External Construction

The timepiece features a round 41 mm stainless steel case with polished and brushed finishes. It is equipped with side pushers and a screw-down case back that is decorated with an embossed equestrian rider medallion, described by the source as the symbol of the Conquest line.

The watch is fitted with an integrated steel bracelet featuring a hidden safety folding clasp. Measurements provided by the source state a 41 mm case diameter (excluding crown) and a total dimension of 51 x 46 mm including lugs and crown.

Evidence for this section
  • “Round 41 mm stainless steel case with polished and brushed finish, side pushers and screw-down case back decorated with equestrian rider embossed medallion (symbol of the Conquest line).”
  • “Measurements: 41 mm (case diameter without crown); 51 x 46 mm (total case with lugs and crown).”
  • “Integrated steel bracelet with hidden safety folding clasp.”

Dial and Crystal Details

The black dial contains three silvered subdials serving as 1/10 second, 60-minute, and small seconds counters. The dial features baton-type hands with luminescent material and a date window positioned at 4 o'clock. An internal tachymeter scale is rendered in red and white.

The watch is fitted with a sapphire crystal treated with anti-reflective coating.

Evidence for this section
  • “Black dial with three silvered subdials (1/10 s, 60 minutes and small seconds counters), internal tachymeter scale in red and white, and baton-type hands with luminescent material.”
  • “Date window at 4 o'clock.”
  • “Sapphire crystal with anti-reflective treatment.”

Mechanism and Operational Status

The watch is powered by a Longines quartz caliber L440 movement, which is based on the ETA G10.211. The movement supports high-precision chronograph ADD and SPLIT functions. The source states the watch is in working order, though notes that the buyer is responsible for any necessary service, overhaul, or repair.

The watch is dated by the source to circa 2010.

Evidence for this section
  • “Longines quartz movement caliber L440 (based on ETA G10.211), high-precision chronograph with ADD/SPLIT function.”
  • “Year ca. 2010.”
  • “It works.”
  • “Since collector's watches often have delicate and complex mechanisms, the buyer is responsible for any general service, overhaul, battery change, adjustment or repair that may be necessary.”

Open research questions

  • Is the provided serial number 426210XX sufficient to verify the manufacturing date via official Longines archives?
  • Does the current condition of the watch affect the movement's long-term performance given the auction house's disclaimer regarding non-guaranteed functionality?

Source evidence

Recorded claims and source quotations for Longines Conquest Chronograph wristwatch, ref. L3.701.4
FieldSource-reported valueSource quotation
ReferenceL3.701.4“ref. L3.701.4”
Serial Number426210XX“Serial No. 426210XX”
Case Diameter41 mm“Round 41 mm stainless steel case”
CaliberL440 (based on ETA G10.211)“Longines quartz movement caliber L440 (based on ETA G10.211)”
CrystalSapphire crystal“Sapphire crystal with anti-reflective treatment.”
Date WindowAt 4 o'clock“Date window at 4 o'clock.”
Auction StatusPassed“Passed”

Visible details

  • Three-register black dial with contrasting silver-tone subdials and red accents on hands and scales.
  • Integrated stainless steel bracelet with three-piece links and deployment clasp construction.
  • Substantial crown guards flanking the fluted winding crown and chronograph pushers.

Research qualifications

  • Serial number is partially redacted in the source catalog as '426210XX'.
  • Movement and case back medallion are described but not pictured in the provided view.

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Sold at Auction: LONGINES Conquest Chronograph watch, ref. L3.701.4. Serial No. 426210XX. Year ca. 2010.

Reviewed 2026-10-26 · Record 151582bd8d

Terms in this record

Glossary explanations for terms named in this object’s record.

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