- Year
- 2026
- Condition
- Unworn
- Set
- Box and papers
- Case
- Caseband guilloched with hobnail pattern
- Movement
- Manual winding
- Size
- 41 mm
Set and condition
Complete set
This Complications 8-day Power Reserve, Instantaneous Day and Date is accompanied by its original presentation box, warranty card and supporting documentation. The watch and included items are inspected by an expert watchmaker before sale. Additional photographs and video of this piece are available on request.
Original presentation box
Original presentation box and packaging.
Original papers
Warranty card and supporting documentation.
Inspected prior to sale
Reviewed for condition, completeness and functionality. Additional details and photographs are available on request.
Condition photography
Additional close-up images of specific areas are available before purchase.
Overview
Eight days on one winding
The Patek Philippe Complications 8-day Power Reserve, Instantaneous Day and Date, reference 5328G-001, in white gold with a hobnail-guilloched caseband, a textured blue dial with a black-gradient rim, on a navy blue calfskin strap. Manually wound calibre 31-505 8J PS IRM CI J with an eight-day power reserve; 41 mm, 10.52 mm high.
The reference 5328G-001 is Patek Philippe's Calatrava with an eight-day power reserve and instantaneous day and date displays, in the Complications collection. The case is white gold, 41 mm across and 10.52 mm high, with the whole circumference of the caseband guilloched in the hobnail pattern Patek Philippe calls its emblematic Clous de Paris. The dial is textured blue with a rim shading to black, with applied numerals and syringe-shaped hour and minute hands in white gold, both with white luminescent coating. It comes on a navy blue calfskin strap with a fabric pattern and cream stitching, closed by a white gold triple-blade fold-over clasp Patek Philippe describes as new and patented, with a second strap in grained taupe calfskin.
The calibre 31-505 8J PS IRM CI J is manually wound and new, by Patek Philippe's account, with a power reserve of at least 192 hours — eight days — shown by an indication on the dial. The day of the week sits in an aperture and the date is read by a hand, and both jump instantaneously at midnight rather than crawling across the change; small seconds are at 6 o'clock. The escapement is the brand's Pulsomax® in Silinvar®, with a Spiromax® balance spring, running at 28,800 semi-oscillations an hour. The movement measures 32 mm across and 5.05 mm high, with 256 parts and 28 jewels, and carries the Patek Philippe Seal, visible through the sapphire crystal case back.
For collectors
Two things separate this reference from the brand's other Calatravas: the eight-day reserve, which Patek Philippe presents as the distinguishing feature, and the instantaneous jump of both calendar displays at midnight. The second strap, in grained taupe calfskin, is listed by Patek Philippe as part of the delivery.
Key details
Design and engineering
- Hobnail casebandWhite gold, 41 mm across and 10.52 mm high, with the hobnail (Clous de Paris) guilloché running around the entire circumference of the caseband. Sapphire crystal case back, water-resistant to 30 m.
- Instantaneous day and dateThe day in an aperture and the date by a hand, both jumping at midnight; Patek Philippe presents the instantaneous change as the reference's defining feature alongside the eight-day reserve.
- Power reserve indicationThe eight-day reserve (min. 192 hours) is shown on the dial; Patek Philippe pairs the indication with the small seconds at 6 o'clock.
- DialTextured blue with a black-gradient rim; applied numerals and syringe-shaped hands in white gold, with white luminescent coating.
- Straps and claspNavy blue calfskin with a fabric pattern and cream stitching, closed by the white gold triple-blade fold-over clasp Patek Philippe describes as new and patented; a second strap in grained taupe calfskin is supplied.
Calibre 31-505 8J PS IRM CI J
- Manual winding
- Instantaneous date by hand, instantaneous day in an aperture, 8-day power reserve indication, small seconds
- 32 mm across, 5.05 mm high; 256 parts, 28 jewels
- 28,800 semi-oscillations per hour (4 Hz), Pulsomax® escapement in Silinvar®, Spiromax® balance spring
- Power reserve min. 192 hours (8 days)
- Patek Philippe Seal
The reference
Technical specifications
| Reference | 5328G-001 |
|---|---|
| Collection | Complications |
| Calibre | Caliber 31-505 8J PS IRM CI J |
| Movement | Manual winding |
| Functions | Instantaneous date by hand, Instantaneous day in aperture, 8-day power reserve indication, Small seconds |
| Case dimensions | 41 mm |
| Case thickness | 10.52 mm |
| Case material | White gold |
| Case | Caseband guilloched with hobnail pattern |
| Case back | Sapphire crystal case back |
| Water resistance | 30 m |
| Dial | Textured blue with black-gradient rim, white gold applied numerals with white luminescent coating |
| Strap | Calfskin, fabric pattern, navy blue |
| Clasp | White gold patented triple-blade fold-over clasp |
| Jewels | 28 |
| Power reserve | min. 192 hours (8 days) |
| Frequency | 28,800 semi-oscillations/hour (4 Hz) |
Buying with HYPA
Purchase with confidence
- Original warranty card included, dated 2026
- Free insured delivery within Australia · international quoted
- Payment by bank transfer
- Registered Australian dealerHYPA International Pty Ltd · Registered Victorian second-hand dealer, Registration No. SHD-0018017.
- Direct specialist supportSpeak with the HYPA team before, during and after the purchase.
- Rated 5.0 on Google · 6 reviewsFrom clients of HYPA International on Google. Read the reviews
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