Patek Philippe Rose Gold Perpetual Calendar ref. 7140R-001

1. Core Craftsmanship

1. Precision Movement

   • Equipped with [In-House/High-End Manufacture] developed [Movement Caliber] automatic mechanical movement

   • Frequency [28,800 vph] | Power Reserve [80 hours] | [Number] ruby jewels

   • Certified to [COSC/Brand Standard], daily accuracy within [-2/+4 seconds]

2. Material & Construction

   • Case: Solid [316L Steel/18K Gold/Titanium] with [Brushed/Polished] finish

   • Crystal: Double-sided anti-reflective sapphire, [3.5mm] thick

   • Caseback: Exhibition window revealing [Rhodium-plated rotor/Micro-rotor] mechanism

2. Design Language

1. Dial Aesthetics

   • [Lacquer/Enamel/Meteorite] dial with [Baton/Feuille] hands

   • Applied [Diamond/Roman numeral] indexes with luminescent coating

   • Date/Moon phase display at 3 o’clock, subsidiary seconds at 6 o’clock

2. Wearing Experience

   • Strap: [Alligator leather/Ceramic links] with [Deployment clasp/Butterfly clasp]

   • Ergonomic lugs contour smoothly to the wrist

   • Crown engraved with [Brand emblem], anti-slip texture

3. Technical Performance

1. Water Resistance

   • Screw-down crown and caseback with multiple sealing gaskets

   • [100m/300m] professional water resistance for swimming

2. Anti-Interference

   • Anti-magnetic soft iron inner case, resistant to [4,800 A/m]

   • Tested in [6 positions] and [temperature variations]

4. Heritage Value

1. Individually numbered with [International warranty]

2. Presentation [Wooden box] with movement maintenance tools

3. Assembled by hand following traditional processes since [Year of founding]