Frederique Constant Index Index Automatic Black

Reference FC-303B5B6

About this watch

The Frederique Constant FC-303B5B6 Index Automatic Black is a masterclass in sophistication, combining elegance and functionality with incredible value for a luxury watch. At the heart of this stunning timepiece is the Frederique Constant caliber FC-303 movement, an automatic masterpiece based on the reliable Sellita SW200. With its 38-hour power reserve and frequency of 28,800 vibrations per hour, you can trust this watch to keep accurate time even when not worn for a day or two. The black dial exudes sophistication and modernity, featuring Dauphine hands gliding over stick and dot indexes against a dark backdrop. This round stainless steel case measures 40mm in diameter and only 10.2mm in height, making it perfect for both men and women. A sapphire crystal glass adds scratch resistance, ensuring the watch remains pristine for years to come. The open case back showcases the intricate mechanics of the FC-303 movement, highlighting Frederique Constant's commitment to craftsmanship and attention to detail.
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Key Features

  • Frederique Constant caliber FC-303 automatic movement
  • 38-hour power reserve
  • 28,800 vibrations per hour frequency
  • Black dial with Dauphine hands and stick indexes
  • Round stainless steel case (40mm diameter)
  • Sapphire crystal glass for scratch resistance
  • Open case back for viewing FC-303 movement

Specifications

Brand
Frederique Constant
Family
Index
Model
Index Automatic Black
Reference
FC-303B5B6
Movement
fc-303
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 40mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Frederique Constant Index Clear Vision Big Date Dual Time Automatic ref. FC-325X6B4/6

Frederique Constant Index Clear Vision Big Date Dual Time Automatic ref. FC-325X6B4/6

This watch features a silver dial, stainless steel case, and a cal. FC-325 automatic movement.

  • Condition: Excellent with minor signs of wear on the clasp
  • Movement: cal. FC-325 automatic (base ETA cal. 2892A2)
  • Case Dimensions: 43mm diameter
  • Thickness: 11.4mm
Posted at
Jan 2, 2026, 2:08 PM
Active
[WTS] Frederique Constant Classics Index

Frederique Constant Classics Index

This watch features a sophisticated dark grey/black dial with a distinctive "Small Seconds" sub-dial at the 6 o'clock position, representing accessible Swiss luxury.

  • Condition: Unworn / Full Set
  • Case size: 40mm diameter
Posted at
Dec 27, 2025, 10:08 AM
Active