Key Highlights

• Genuine blue aventurine centre dial
• White stamped and grained outer dial
• Forty bezel-set diamonds totalling 0.447 carat
• Eleven applied diamond indexes totalling 0.0429 carat
• Fifty-one diamonds totalling 0.4899 carat overall
• Signature Double Heart Beat aperture at 6 o’clock
• Swiss FC-313 automatic movement
• La Joux-Perret movement architecture
• Extended 68-hour power reserve
• Polished 36 mm stainless steel case
• Sapphire exhibition caseback
• Seven-link stainless steel bracelet
• Additional navy blue leather strap
• Quick-release interchangeable strap system
• Anti-reflective sapphire crystal
• 50-metre water resistance

The Frédérique Constant Classics Ladies Automatic Double Heart Beat [FC-313AVD3BD6B] is the most precious expression of the newly reimagined Double Heart Beat collection.

Its deep blue aventurine centre evokes the appearance of a starlit night sky, with countless points of light shimmering across the dial as the watch moves. A white stamped and grained outer ring creates a striking contrast around the aventurine, while eleven applied diamond hour indexes add another layer of brilliance.

Forty additional diamonds are set around the polished stainless steel bezel. Combined with the eleven diamond indexes, the watch contains 51 diamonds totalling 0.4899 carat.

At 6 o’clock, the signature Double Heart Beat aperture offers a captivating view of the regulating mechanism beneath the dial. This open display connects the watch’s jewellery-inspired exterior with the Swiss automatic movement operating within.

Powered by the FC-313 calibre, developed on a La Joux-Perret base, the watch offers a substantial 68-hour power reserve. It is a sophisticated fusion of aventurine, diamonds and mechanical watchmaking.

The Radiance of Blue Aventurine

The genuine aventurine centre gives the FC-313AVD3BD6B its unmistakable identity.

Its deep blue surface is illuminated by countless sparkling inclusions, creating an effect reminiscent of stars scattered across a clear night sky. The appearance changes subtly as the watch moves, giving the dial a sense of depth and animation that cannot be achieved with an ordinary painted finish.

A crisp white outer ring surrounds the aventurine. Its stamped, grained texture provides a refined contrast against the smooth, luminous character of the blue centre.

The distinction between the two surfaces draws the eye naturally toward the Double Heart Beat aperture and creates a clearly defined display despite the richness of the materials.

Fifty-One Diamonds Totalling 0.4899 Carat

The diamonds are arranged across two distinct areas of the watch.

The polished stainless steel bezel is set with:

• Diamond Count: 40
• Total Bezel Diamond Weight: 0.447 Carat

The white outer dial is set with:

• Diamond Count: 11
• Total Dial Diamond Weight: 0.0429 Carat

The complete watch therefore features:

• Total Diamond Count: 51
• Combined Diamond Weight: 0.4899 Carat

This exact distinction is important. The 40 bezel diamonds and 11 dial diamonds should always be listed separately before presenting the combined count and carat weight.

The bezel setting creates a continuous frame of brilliance around the dial, while the eleven diamond indexes preserve excellent visual balance. The Double Heart Beat aperture occupies the traditional 6 o’clock index position.

The Return of the Double Heart Beat

Approximately twenty years after the original Ladies Double Heart Beat was introduced, Frédérique Constant has reimagined the design with stronger mechanical performance and a more contemporary presentation.

The intertwined opening at 6 o’clock reveals part of the movement’s regulating mechanism. Instead of concealing the operation of the watch beneath the dial, Frédérique Constant transforms it into a central design element.

The aperture’s graceful shape complements the diamond-set presentation without appearing overly technical. It creates a visual link between the emotional symbolism of the heart motif and the mechanical rhythm of the automatic movement.

The concept is especially effective in this aventurine version. Against the deep blue, star-like centre, the visible mechanism becomes a dramatic focal point.

A 68-Hour La Joux-Perret-Based Movement

The FC-313AVD3BD6B is powered by the Swiss automatic FC-313 calibre, based on a La Joux-Perret movement.

The movement operates at 28,800 vibrations per hour, contains 24 jewels and offers approximately 68 hours of power reserve.

When fully wound, the watch can be removed for much of a weekend and remain running when worn again. This extended reserve provides a meaningful advantage over many traditional Swiss automatic movements offering approximately 38 to 42 hours.

The movement can be observed from both sides of the watch:

• The Double Heart Beat aperture provides a view through the dial
• The sapphire exhibition caseback reveals the movement from the reverse

This dual presentation gives the owner a stronger connection to the mechanical craftsmanship that powers the watch.

Diamond-Set 36 mm Stainless Steel Case

The polished stainless steel case measures 36 mm in diameter and 10.51 mm in thickness.

Its proportions provide enough visual presence to showcase the aventurine, diamonds and open-heart display while preserving the elegance associated with the Classics collection.

Forty diamonds totalling 0.447 carat encircle the dial. The setting follows the shape of the polished bezel, creating a continuous frame of light without interrupting the clean lines of the case.

A convex anti-reflective sapphire crystal protects the dial and offers excellent resistance to everyday scratching. The sapphire exhibition caseback provides another view of the automatic movement.

Water resistance is rated to 50 metres or 5 ATM, making the watch suitable for normal daily wear while retaining the character of a refined mechanical jewellery watch.

Seven-Link Stainless Steel Bracelet

The polished seven-link stainless steel bracelet gives the watch a fluid, jewellery-inspired presentation.

Its smaller individual links articulate comfortably around the wrist and create numerous reflective surfaces that coordinate naturally with the diamond-set bezel.

The bracelet measures approximately 166.88 mm in length and 17.95 mm in width at the lugs. It is secured by a folding clasp with push buttons.

Frédérique Constant also includes an additional navy blue leather strap. The quick-release system allows the watch to be changed between bracelet and strap without conventional watchmaking tools.

The two options give the watch noticeably different personalities:

• The steel bracelet creates the appearance of a polished diamond bracelet watch
• The navy leather strap emphasizes the deep blue aventurine and gives the watch a more traditional dress-watch character

The manufacturer does not publish separate length measurements for the included navy strap. Those dimensions should therefore not be stated without physically measuring it.

A Swiss Watch with Jewellery Presence

The FC-313AVD3BD6B is more than a diamond-set version of a conventional automatic watch.

Its jewellery character is established through the 51 diamonds, polished seven-link bracelet and deep blue aventurine. Its watchmaking credentials come from the visible automatic movement, La Joux-Perret architecture, 68-hour power reserve and sapphire exhibition caseback.

This combination allows the watch to function as both a sophisticated piece of jewellery and a serious Swiss mechanical timepiece.

The aventurine and diamonds make it appropriate for formal events and important celebrations, while the interchangeable strap system gives it enough versatility for more frequent wear.

An Alternative to Established Diamond Watches

Clients considering diamond-set models from the Cartier Ballon Bleu, Longines PrimaLuna, Longines Master Collection, Omega Constellation or TAG Heuer Carrera Date families may find the FC-313AVD3BD6B especially compelling.

Its distinguishing features include:

• A genuine blue aventurine centre dial
• Fifty-one diamonds totalling nearly half a carat
• A visible Double Heart Beat mechanism
• A La Joux-Perret-based automatic movement
• An extended 68-hour power reserve
• A sapphire exhibition caseback
• An interchangeable bracelet-and-strap system
• A distinctive design that is less commonly encountered

Rather than relying on diamonds alone, the Frédérique Constant combines precious materials with genuine mechanical interest.

Created for Significant Milestones

The FC-313AVD3BD6B is particularly well suited to celebrating an important milestone.

Its diamonds, aventurine dial and mechanical movement give it the lasting significance expected of a luxury watch selected for an anniversary, birthday, professional achievement or major life event.

The design is distinctive without being tied closely to a passing trend. Aventurine has an enduring celestial quality, while the polished case and diamond setting maintain the classical refinement associated with fine jewellery.

The additional navy strap also allows the owner to adapt the watch for different settings and styles.

Why Collectors Will Appreciate the FC-313AVD3BD6B

This Double Heart Beat offers a rare combination of decorative impact, material richness and mechanical substance.

Its principal attractions include:

• A genuine blue aventurine centre
• Forty bezel-set diamonds totalling 0.447 carat
• Eleven diamond indexes totalling 0.0429 carat
• Fifty-one diamonds totalling 0.4899 carat overall
• Frédérique Constant’s signature Double Heart Beat aperture
• A modern La Joux-Perret-based automatic movement
• A 68-hour power reserve
• A sapphire exhibition caseback
• Elegant 36 mm dimensions
• A polished seven-link bracelet
• An additional navy leather strap
• A convenient quick-release system

The result is a striking Swiss automatic watch that balances the brilliance of fine jewellery with the fascination of visible mechanical watchmaking.

Technical Specifications

• Brand: Frédérique Constant
• Collection: Classics
• Model: Ladies Automatic Double Heart Beat
• Reference: FC-313AVD3BD6B
• Movement: Swiss Automatic
• Calibre: FC-313
• Movement Base: La Joux-Perret
• Power Reserve: Approximately 68 Hours
• Jewels: 24
• Frequency: 28,800 Vibrations per Hour / 4 Hz
• Functions: Hours, Minutes and Central Seconds
• Case Shape: Round
• Case Material: Polished Stainless Steel
• Case Construction: Two-Part Case
• Case Diameter: 36 mm
• Case Thickness: 10.51 mm
• Lug Width: 17.95 mm
• Bezel: Stainless Steel Set with 40 Diamonds
• Bezel Diamond Count: 40
• Bezel Diamond Weight: 0.447 Carat
• Crystal: Convex Anti-Reflective Sapphire Crystal
• Caseback: Sapphire Exhibition Caseback
• Dial: White Stamped and Grained Dial with Genuine Blue Aventurine Centre
• Dial Feature: Double Heart Beat Aperture at 6 o’clock
• Hands: Polished Silver-Tone Hands
• Hour Markers: Eleven Applied Diamond Indexes
• Dial Diamond Count: 11
• Dial Diamond Weight: 0.0429 Carat
• Total Diamond Count: 51
• Combined Diamond Weight: 0.4899 Carat
• Bracelet: Polished Stainless Steel Seven-Link Bracelet
• Bracelet Length: Approximately 166.88 mm
• Clasp: Folding Clasp with Push Buttons
• Additional Strap: Navy Blue Leather Strap
• Additional Strap Length: Not Published by Manufacturer
• Strap System: Quick-Release Interchangeable System
• Water Resistance: 50 Metres / 5 ATM
• Country of Origin: Switzerland
• Warranty: 2-Year Frédérique Constant International Warranty

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