Longines La Grande Classique Ref. L4.709.4.11.2
Dress Watch (Ultra-Thin) · Longines (The Swatch Group). Longines is a luxury tier brand known for its long history since 1832 and its mastery of classical elegance.
Period: Neo-Classical / Modern Elegance (Late 1990s-Present). It carries the aesthetic of the 1992 launch line which emphasizes timeless, slim profiles.

Type
Dress Watch (Ultra-Thin)
Brand
Longines (The Swatch Group). Longines is a luxury tier brand known for its long history since 1832 and its mastery of classical elegance.
Movement
Swiss Quartz Caliber L420 (Based on ETA 282.001); 13 jewels, high-accuracy battery-powered movement.
Dimensions
Case diameter: 33mm, Thickness: Approx 4.5mm - 5mm, Lug-to-lug: Approx 35mm (due to integrated style), Lug width: 18mm.
Description
The La Grande Classique de Longines is the epitome of the brand's 'Elegance is an Attitude' slogan. This ultra-slim timepiece features an innovative case design where the lugs are integrated into the caseback, allowing the watch to sit perfectly flat on the wrist. The radial sunray guilloché dial adds a layer of depth and sophistication to an otherwise austere dress watch, making it a staple for formal attire.
Key Features
Ultra-thin profile (under 5mm), unique lug-integrated caseback design, 'fanned' dial texture, and the absence of a seconds hand.
Dial Description
White/Silvered dial with a distinctive radial 'fanning' guilloché textured pattern. Printed elongated Roman numeral indices in black and slim black baton hands. No seconds hand or date to maintain minimalism.
Case Material
Stainless steel with a polished finish. The case is constructed as a monocoque to achieve its signature slimness.
Crystal Type
Scratch-resistant flat sapphire crystal. No AR coating or Cyclops lens. Visible light surface scratches on the metal bezel edge.
Bezel Details
Fixed, thin polished stainless steel bezel integrated into the ultra-slim case design.
Crown & Pushers
Small, push-pull crown located at 3 o'clock, steel finish, likely unsigned due to its tiny proportions.
Bracelet or Strap
Black leather strap (likely calfskin or alligator grain) with a standard stainless steel pin buckle.
Caseback Details
Snap-on solid stainless steel caseback. Usually features the Longines winged hourglass logo, reference number, and serial number engravings.
Movement Type
Swiss Quartz Caliber L420 (Based on ETA 282.001); 13 jewels, high-accuracy battery-powered movement.
Water Resistance
30 Meters (3 ATM). Splash-resistant only; not suitable for showering, swimming, or diving.
Origin & Provenance
Swiss Made (Saint-Imier). Includes an in-house adjusted Swiss quartz movement.
Age Estimate
Circa 1995-2010. This specific dial texture and logo style are consistent with the collection's production during this period.
Cultural Significance
Longines is the oldest registered trademark for a watch brand. This specific model represents the brand's pivot toward the 'Quiet Luxury' aesthetic long before it became a modern trend.
Condition Notes
Good to Very Good condition. The case shows micro-scratches consistent with wear. The sapphire crystal appears clear, though the surrounding bezel has visible nicks near the 2 and 4 o'clock positions. The strap shows slight creasing.
Value Estimate
MSRP for modern variants is approx. $1,200. Secondary market value for this specific pre-owned model is $350 - $600 depending on box/papers.
Care & Maintenance
Battery replacement recommended every 2-3 years. Avoid water exposure as these are not designed for swimming. Leather strap should be kept dry to prevent rot. Wipe with a microfiber cloth to maintain the polished finish.
Similar Watches
Raymond Weil Toccata, Cartier Tank Must (Quartz), Frederique Constant Slimline. The Longines is distinguished by its unique lug attachment and thinner profile.
Interesting Facts
The La Grande Classique was launched in 1992 and played a critical role in redefining Longines' identity during the post-quartz crisis era as a leader in elegant, thin watches. It remains one of the world's most recognizable ultra-thin dress watch silhouettes.