Patek Philippe Perpetual Calendar 3940J-001 Second Series

Opening Context
The reference 3940 is widely regarded as one of the defining achievements of modern Patek Philippe. Introduced during a period that marked the resurgence of interest in traditional mechanical watchmaking, it reaffirmed the manufacture’s mastery of the perpetual calendar while establishing a design language whose influence continues to be felt today. Elegant, restrained, and mechanically sophisticated, the 3940 demonstrated that one of horology’s most celebrated complications could be presented with remarkable clarity and timeless refinement.

Why This Reference Matters
The Second Series 3940J-001 represents the continued evolution of one of Patek Philippe’s most important perpetual calendars, preserving the graceful proportions and exceptional balance that have made the reference so highly regarded among collectors. Its silver opaline dial is organised with extraordinary discipline, integrating the perpetual calendar, moon phase, day, month, leap year, 24-hour display, and pointer date into a composition that remains effortlessly legible. Applied baton hour markers reinforce the dial’s understated elegance, allowing the complications to remain the natural focal point. Powering the watch is the automatic Calibre 240 Q, an ultra-thin movement whose micro-rotor construction enabled Patek Philippe to house a complete perpetual calendar within an exceptionally refined case. Its elegant architecture and meticulous finishing have secured its reputation as one of the manufacture’s most accomplished modern calibres.

On the Wrist
At 36 mm, the 3940J reflects the classical proportions that have long defined Patek Philippe’s complicated dress watches. The warmth of the 18K yellow gold case complements the silver opaline dial beautifully, creating a timeless combination that remains elegant in every setting. Despite the abundance of information displayed, the dial never feels crowded, with each indication contributing to an overall sense of harmony and balance. Worn on a black leather strap, the watch offers a discreet yet unmistakably distinguished presence, rewarding appreciation through refinement rather than scale.

Condition & Transparency
This example features a 36 mm 18K yellow gold case paired with a silver opaline dial displaying applied baton hour markers, a perpetual calendar, moon phase, day, month, leap year, 24-hour display, and pointer date. It is powered by the automatic Calibre 240 Q, offering a 48-hour power reserve, and is fitted to a black leather strap with an 18K yellow gold Patek Philippe fold buckle. As always, particular attention should be given to case condition, dial preservation, movement performance, perpetual calendar, moon phase and pointer date functionality, strap/bracelet condition, and overall set completeness—communicated strictly on verified information.

Why It Belongs in a Collection
The Perpetual Calendar 3940J-001 appeals to collectors who recognise the enduring importance of watches that quietly redefine their genre. It represents a pivotal moment in the history of modern complicated watchmaking, combining technical sophistication with exceptional elegance and wearability. Within a carefully curated collection, it stands as both a milestone in Patek Philippe’s history and one of the most accomplished expressions of the classical perpetual calendar wristwatch.

Closing
The Patek Philippe Perpetual Calendar 3940J-001 Second Series remains one of the great references of contemporary haute horlogerie. Uniting graceful proportions, the exceptional Calibre 240 Q, and a dial celebrated for its remarkable clarity, it continues to exemplify the manufacture’s enduring philosophy that true complexity is most impressive when expressed with effortless simplicity.

Specifications

• Case Size: 36 mm
  
• Material: 18K Yellow Gold
  
• Dial: Silver Opaline Dial with Applied Baton Hour Markers, Perpetual Calendar, Moon Phase, Day, Month, Leap Year, 24-Hour Display and Pointer Date
  
• Strap: Black Leather Strap with 18K Yellow Gold Patek Philippe Fold Buckle
  
• Power Reserve: 48 Hours
  
• Movement: Automatic (Calibre 240 Q)

Shipments are delivered under Delivered Duty Unpaid (DDU) terms, with duties and taxes payable by the recipient.