Frederique Constant Slimline Auto Ref. FC-306S4S6
Dress Watch (Ultra-Slim) · Frederique Constant (Citizen Group). Positioned in the 'Accessible Luxury' tier of Swiss watchmaking.
Period: Modern Luxury (2010s-Present) Neo-Classical. Known for minimalist aesthetics and thin profiles reminiscent of mid-century Swiss dress watches.
Type
Dress Watch (Ultra-Slim)
Brand
Frederique Constant (Citizen Group). Positioned in the 'Accessible Luxury' tier of Swiss watchmaking.
Movement
Automatic Caliber FC-306 (Base Sellita SW300-1), 28,800 bph, approximately 42 hours power reserve, 25 jewels.
Dimensions
Diameter: 40mm; Thickness: 8.3mm; Lug-to-lug: 45mm; Lug width: 20mm.
Description
An elegant, understated dress watch designed to slide effortlessly under a shirt cuff. It emphasizes the 'less is more' approach with a thin profile and a balanced, symmetrical dial.
Key Features
Significantly thin profile for an automatic; leaf hands; signature beveled date window; high-quality Swiss finishing at an entry-luxury price point.
Dial Description
Silver-white sunray or matte finish; applied silver-tone baton indices; thin leaf-style (feuille) hands; date window at 3 o'clock with a specific beveled frame.
Case Material
316L Stainless Steel with a high-polished finish on all surfaces including the stepped bezel.
Crystal Type
Domed scratch-resistant sapphire crystal with anti-reflective coating.
Bezel Details
Fixed, polished stainless steel rounded bezel with a stepped profile to enhance the slim appearance.
Crown & Pushers
Small, tapered onion-style or knurled push-pull crown with Frederique Constant coat-of-arms logo.
Bracelet or Strap
Black alligator-patterned calf leather strap with a stainless steel pin buckle or butterfly deployant clasp.
Caseback Details
Exhibition sapphire caseback secured by screws, showing the caliber with custom gold-toned rotor and perlage finishing.
Movement Type
Automatic Caliber FC-306 (Base Sellita SW300-1), 28,800 bph, approximately 42 hours power reserve, 25 jewels.
Water Resistance
30 Meters (3 ATM); Splash proof only. Not suitable for swimming, showering, or immersion.
Origin & Provenance
Swiss Made; manufactured in Plan-les-Ouates, Geneva, Switzerland. Uses an in-house modified Swiss base movement.
Age Estimate
Circa 2012-2022. This model remains a staple of the Slimline collection.
Cultural Significance
Represents the democratization of Swiss luxury, proving that Geneva-made automatic dress watches can be accessible without sacrificing traditional finishing.
Condition Notes
Appears to be in Good to Very Good condition; light reflections on the bezel suggest minor surface swirlies; strap shows some wear; dial and hands appear pristine. (Grade: Very Good)
Value Estimate
MSRP: Approximately $1,800-$2,100; Pre-owned Market: $700-$1,100 depending on box and papers.
Care & Maintenance
Service every 5 years; check water gaskets every 2 years; avoid magnets; wipe leather strap after wear to prevent salt buildup.
Similar Watches
IWC Portofino (more expensive), Jaeger-LeCoultre Master Ultra Thin (Haute Horlogerie alternative), Tissot Le Locle (more affordable).
Interesting Facts
Frederique Constant is one of the few younger Swiss brands (founded 1988) to successfully compete with heritage brands by focusing on high-value classical designs.