Twenty~4 Ref. 7340/1R-001 Rose Gold

Patek Philippe Twenty~4 Ref. 7340/1R-001 Rose Gold

The First Perpetual Calendar Enters the Twenty~4 Line

Overview

The Twenty~4 Ref. 7340/1R-001 marks a significant moment for Patek Philippe: it is the first time the Twenty~4 collection has been endowed with a true mechanical complication — a perpetual calendar — and likewise the first round Twenty~4 without diamonds on the bezel (non gem-set). Patek Philippe SA+3The Hour Glass Official+3WatchBase.com+3

This model blends elegance, practicality, and tradition: intended as both an everyday-luxury piece and a showcase of haute horology for watch lovers. The Hour Glass Official+1

Design & Aesthetics

• Case & Size: 36 mm in diameter, made in fully polished 18K rose gold. The case height is ~9.95 mm, giving it a slim profile especially for a perpetual calendar movement. Patek Philippe SA+2The Hour Glass Official+2

• Dial: Silvery (sometimes described “silver-tone”) dial with a marvellous double satin-brushed finish both vertically and horizontally (sometimes likened to “shantung silk”) which gives texture and subtle light play. Patek Philippe SA+1

• Hands & Markers: Applied rose gold Arabic numerals, rounded baton-style hands made of rose gold, filled with white luminescent coating for visibility in low light. Patek Philippe SA+1

• Bezel: Plain rose gold, fully polished, no gemstones. This choice emphasizes purity of form and lets the craftsmanship and movement take center stage. The Hour Glass Official+1

• Bracelet: Matching rose gold bracelet, fully polished, with a patented fold-over clasp. The bracelet links are sculpted for comfort, seamlessly integrating with the case. Patek Philippe SA+1

Movement & Complications

• Caliber: Self-winding Caliber 240 Q, ultra-thin (height ~3.88 mm). Its architecture includes a 22K gold micro-rotor off-center, helping to keep overall case slim. Patek Philippe SA+2The Hour Glass Official+2

• Functions / Complications:

  1. Perpetual calendar: displays day, date, month, leap year (automatic correction for month lengths and leap years). Patek Philippe SA+2The Hour Glass Official+2

  2. Moon-phase display, typically positioned at 6 o’clock. Patek Philippe SA+1

  3. 24-hour indication via hand. Patek Philippe SA+1

• Power reserve: ~38 to 48 hours depending on usage (especially calendar functions etc.). Patek Philippe SA+1

• Movement characteristics: 275 total parts, 27 jewels. Frequency: 21,600 semi-oscillations per hour (3 Hz). Balance spring: Spiromax®; balance: Gyromax®. The distinct Patek Philippe Seal certifies finishing, precision, etc. Patek Philippe SA+1

Case Back, Water Resistance & Other Practical Details

• Case Back: Sapphire crystal back, letting one see the movement and finishing inside. Patek Philippe SA+1

• Water Resistance: 30 meters (≈ 3 ATM) — enough for everyday wear (splashes, rain), but not for swimming. Patek Philippe SA+1

• Luminosity: White luminous material in hands and marker numerals for legibility in low-light. Patek Philippe SA+1

Significance & Positioning

• This model is a milestone for the Twenty~4 line: first complicated movement in the collection, showing Patek Philippe’s willingness to push the line beyond its simpler, elegant “everyday luxury” origins. The Hour Glass Official+1

• It preserves signature Twenty~4 design cues — elegance, comfort, and versatility — while adding mechanical depth. The Watch Pages+1

• With the non-gemset bezel, emphasis is placed on the purity of form, texture of finishes, and quality of movement rather than decorative gemstones. This gives it a slightly more understated yet technically impressive character.