Patek Philippe – Ref.4896G, Calatrava Ultrathin Watch for Ladies (2006)

Introduced in 2006, this timepiece wrote a new chapter in prestigious watch manufacture as the first ultra-thin mechanical watch for ladies.

The Ref. 4896, which sparkles in diamond studded white gold case and impressive guilloché night blue dial, belongs to the Calatrava collection, acclaimed for the timeless elegance of its round cases that have expressed the inimitable Patek Philippe style for nearly three-quarters of a century.

While the shape and proportion of the case remain true to the 1930s Calatrava style, Patek Philippe has paid particular attention to the design of the all-new dial. First and foremost, this exclusive dial stands out with its unique night blue hue, which is accented by the brushed satin strap and 18K gold case and hands.

The surface of the dial features a delicate guilloché pattern of concentric waves and is covered with several layers of blue lacquer, producing an incredible depth of color as the guilloché pattern shimmers through.

Patek Philippe - Ref.4896G, Calatrava Ultrathin Watch for Ladies (2006)

Overall, 12 separate lacquering, firing and polishing steps are needed to achieve this velvety, enigmatic dial. Like the rays of a star, the hour markers, coated with powdered silver, enliven the dial. The faceted dauphine hands are polished and the satin-finished, rhodium-plated side of the case enhances the glow of the dial and the fire of the 72 diamonds on the bezel. With these attributes, the Ref.4896 possesses the radiance of a formal evening watch but retains its sleekness and discreet elegance.

The Calatrava Ref. 4896 beats to the rhythm of the manually wound Patek Philippe caliber 16-250 movement which is ultra-thin and extremely compact (2.5 mm thick with a diameter of 16.3 mm). It displays the prestigious Geneva Seal, a hallmark of true excellence.

Technical details

Model: Calatrava Ref. 4896 G

Movement
Caliber 16-250, Manually wound mechanical movement
Diameter: 16.30 mm, Height: 2.50 mm
Number of parts: 101
Number of jewels: 18
Power reserve: Max. 38 hours
Balance: Annular
Frequency: 28,800 semi-oscillations per hour (4 Hz)
Balance spring: Flat
Stud: Movable

Functions
Two-position crown:
– Pulled out: to set time
– Pushed in: to wind watch
Displays: Hours, minutes
Hallmark: Geneva Seal

Case
18K white gold set with 72 diamonds
Solid 18K gold snap back
Water-resistant to 25 meters

Case dimensions
Diameter: 33 mm
Thickness: 6.35 mm
Width between lugs: 17 mm

Dial
Guilloché navy blue
12 arrow-type hour markers coated with powdered silver
Dauphine hour and minute hands with two lapped faces in 18K white gold, one face polished, one face sandblasted and rhodium plated

Precious stones
Bezel set with 72 flawless Top Wesselton diamonds, 1.2 mm brilliant-cut, totaling approx. 0.47 ct.

Strap
Brushed navy blue satin, with 16 mm prong buckle in 18K white gold

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