Description

Patek Philippe Complications “Calatrava 8-Day” – Ref. 5328G-001 (White Gold, Blue Gradient Dial)

Overview

The Patek Philippe Ref. 5328G-001 introduces a new chapter in the Calatrava lineage: a hand-wound timepiece with instantaneous day & date displays and an impressive 8-day power reserve. Housed in elegant 18K white gold with a hobnail-patterned case band, it blends classical elegance with technical advancement.

Design & Materials

• Case: 18K white gold, 41 mm diameter, thickness ~10.52 mm; hobnail guilloché (“Clous de Paris”) pattern around the case band.
• Bezel: Smooth white gold bezel (no gem setting).
• Dial: Textured blue with gradient / fumé effect toward rim; applied white gold Arabic numerals with luminescent coating; vertical layout with power reserve at 12, day & date + small seconds at 6.
• Hands & Markers: White gold syringe-style hands and luminous numerals for legibility.
• Strap: Navy blue calfskin leather with textile pattern (primary) + additional taupe grained strap; furnished with a patented white gold triple-blade folding clasp.
• Aesthetic: Clean, instrument-style dial balanced with classical white gold case; the hobnail case band gives a stately texture.

Movement & Functions

• Caliber: Manual-winding 31-505 8J PS IRM CI J, 256 components, 28 jewels.
• Functions:
  • Hours, minutes, small seconds (subdial)
  • Instantaneous date (by hand) in subdial at 6 o’clock
  • Instantaneous day (aperture) at 6 o’clock zone
  • Power reserve indicator (arch) at 12 o’clock — up to 8 days, with a red “ninth day” marker as winding cue.
• Power Reserve: Minimum 192 hours (≈ 8 days).
• Frequency: 28,800 vph (4 Hz).
• Precision & Escapement: Pulsomax® escapement (silicon / Silinvar technology) integrated in movement; Patek Philippe’s internal regulation.

Technical Specifications

• Reference: 5328G-001
• Collection: Patek Philippe Complications / New Calatrava 8-Day
• Case: 18K white gold, 41 mm × 10.52 mm (Oyster-style)
• Bezel: Polished white gold bezel (smooth)
• Dial: Blue gradient / fumé with applied numerals, vertical layout of power reserve / day & date / seconds
• Strap & Clasp: Blue calfskin with textile pattern + taupe alternative; white gold triple-blade folding clasp
• Crystal / Caseback: Sapphire front crystal + sapphire exhibition caseback to view movement
• Water Resistance: 30 meters / 3 bar
• Functions: Hours, Minutes, Seconds, Day (instant), Date (instant), Power Reserve Indicator
• Condition: New / Unworn (default for new Patek Philippe releases)
• Box & Papers: Full set including Patek Philippe presentation box, warranty & documentation

Prestige & Value

The Patek Philippe Ref. 5328G-001 represents a bold reimagining of the Calatrava: combining everyday readability with serious mechanical advancement. Its eight-day power reserve, instantaneous calendar displays, Pulsomax escapement, and elegant white gold exterior make it a watch for connoisseurs who value both form and function. It bridges tradition and innovation in a way few modern pieces manage.