Patek Philippe 5327G-001 is a classic perpetual calendar watch that embodies understated elegance and mechanical sophistication. Crafted in white gold, this model features a traditional dial layout with beautifully balanced subdials that display day, date, month, and moon phase. Its design reflects Patek Philippe’s commitment to timeless aesthetics, making it a versatile piece suitable for both formal occasions and daily wear.

Beneath its refined exterior lies a highly reliable automatic movement that powers the perpetual calendar function, eliminating the need for manual date adjustments for decades. The 5327G is designed for collectors who value heritage, precision, and long-term durability. Its white gold case adds a subtle yet distinguished presence, ensuring that it remains relevant across generations. As an entry point into high complication watchmaking, the 5327G offers both accessibility and enduring investment appeal.

Patek Philippe Perpetual Calendar Ref. 5327G-001

Model: Perpetual Calendar
Reference: 5327G-001
Collection: Grand Complications
Case Material: 18K white gold
Case: Round Calatrava-style case with curved scalloped flanks
Case Diameter: 39 mm
Case Thickness: 9.71 mm
Crystal: Sapphire crystal
Case Back: Sapphire-crystal display back
Water Resistance: 30 m

Dial: Sunburst blue dial with applied white-gold Breguet numerals and white-gold leaf-shaped hands. Perpetual-calendar indications are displayed by hand, including day, date, month, leap year and 24-hour indication, with moon phases displayed at 6 o’clock.

Movement: Patek Philippe Calibre 240 Q
Movement Type: Ultra-thin self-winding mechanical
Movement Diameter: 27.5 mm
Movement Thickness: 3.88 mm
Components: 275
Jewels: 27
Power Reserve: 38–48 hours
Winding Rotor: 22K gold off-center mini-rotor
Balance: Gyromax®
Balance Spring: Spiromax®
Frequency: 21,600 semi-oscillations/hour (3 Hz)
Hallmark: Patek Philippe Seal

Functions: Perpetual calendar, day, date, month, leap-year and 24-hour indications, plus moon phases.

Strap: Hand-stitched shiny navy-blue alligator leather with square scales
Clasp: 18K white-gold fold-over clasp

Reference Variation: The 5327 family also includes 5327R-001 in rose gold. Ref. 5327G-001 is specifically distinguished by its white-gold case, sunburst blue dial, applied white-gold Breguet numerals and navy-blue alligator strap.