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Patek Philippe Grand Complications 40mm White Gold
Ref. 5320G-001
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Stepping up in Patek Philippe's range
Introduced in 2017, the 5320G draws its design from two specific mid-century references: the 1944 steel Ref. 1591, which contributes the luminous Arabic numerals, syringe hands and unusually legible perpetual calendar layout, and the Ref. 2405, which lends the three-tiered stepped lugs and matching stepped bezel. The result is not a pastiche but a considered argument that the most useful format for a perpetual calendar is one settled decades ago. What makes it live up to that argument is the 11.13mm case thickness. A perpetual calendar requires a substantial module stacked above the base movement, and most watches carrying one show it; this one does not. The 324 S Q achieves the complication on a movement that Patek Philippe finishes to the same standard as its simplest calibres — Côtes de Genève on the bridges, perlage on the mainplate, hand-bevelled anglage throughout — and winds through a solid 21k gold rotor. On the wrist the stepped lugs curve naturally against the wrist, and the cream lacquer dial reads without effort across changing light. Calendar corrections are made through recessed pushers in the case flank, requiring the supplied stylus rather than a fingernail. It is a minor discipline that keeps the case profile clean and the correctors protected, and owners either accept it immediately or find it becomes habit within a fortnight.
- Reference
- 5320G-001
- Brand
- Patek Philippe
- Case size
- 40mm
- Case thickness
- 11.13mm
- Lug width
- 21mm
- Case material
- White gold
- Case shape
- Round
- Dial
- Cream
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- 324 S Q
- Functions
- Day-date, Moonphase
- Water resistance
- 30m
- Bracelet / strap
- Leather strap
- Strap colour
- Brown
- Clasp
- Deployant clasp
- Lume
- Luminous
- Condition
- Pre-owned
- Retailer
- Goldsmiths
Additional specifications
- Power reserve
- 45 hours
Learn more about Patek Philippe
Antoine Norbert de Patek, a Polish cavalry officer exiled after the November Uprising, founded a watch business in Geneva in 1839 with his countryman François Czapek. The partnership dissolved after six years, and in 1845 Patek took on the French watchmaker Adrien Philippe, inventor of the keyless winding crown. The firm became Patek Philippe in 1851.
That single invention mattered more than any other in the company's early history: it removed the winding key, and every modern watch descends from it. Queen Victoria bought a Patek pendant watch at the Great Exhibition the same year, establishing the royal patronage the house has traded on ever since.
The Stern family, dial manufacturers and long-standing suppliers, bought the company in 1932 during the Depression. Four generations later it remains in their hands — the last independent family-owned manufacture in Geneva, currently led by Thierry Stern.
Patek's reputation rests on complications: the Calibre 89 of 1989 carried thirty-three of them, and the Grandmaster Chime remains among the most complicated wristwatches made. The Nautilus, drawn by Gérald Genta in 1976 as a steel luxury sports watch, became an unlikely commercial phenomenon four decades after launch.
Production stays deliberately modest, in the tens of thousands annually, and every watch carries the Patek Philippe Seal, an in-house standard the company adopted in 2009 after abandoning the Geneva Seal as insufficiently strict.
- 1839
- Antoine Norbert de Patek and François Czapek found the firm in Geneva.
- 1845
- Adrien Philippe joins, bringing the keyless winding crown.
- 1851
- The company is renamed Patek Philippe; Queen Victoria buys a watch.
- 1932
- The Stern family acquires the company.
- 1976
- The Nautilus debuts, designed by Gérald Genta.
- 2009
- The Patek Philippe Seal replaces the Geneva Seal.
Also in 6 collections
This watch appears in Automatic Watches (1,463), Leather Strap Watches (935), Dress Watches (459), Pre-Owned, Ex-Display & Vintage Watches (271), Champagne & Cream Dial Watches (156) and Solid Gold Watches (108).
2-year Goldsmiths warranty
What the specifications mean
A mechanical watch for everyday wear.
Strengths
- 40mm suits most wrists
- Sapphire crystal, which resists scratching
- Luminous hands and markers for low light
- Sits in the lower half of Patek Philippe's range as we list it
Worth knowing
- 30m means keeping it away from water
Compare alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | 5320G-001 | 15510ST.OO.1320.ST.07 | 4500V/110R-B705 |
|---|---|---|---|
| Price | £57,550 | £46,450 | £50,950 |
| Case size | 40mm | 41mm | 41mm |
| Water resistance | 30m | 50m | 150m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Leather strap | Stainless steel bracelet | Leather strap |
| Power reserve | 45 hours | 70 hours | 60 hours |
| This watch |
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|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
No. At 30m it will survive rain and handwashing, but not submersion of any kind.
Will the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Does it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
How long does it run for when it's not worn?
About 45 hours fully wound — enough to survive a night off the wrist, but not a full weekend.
What size strap does it take?
21mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.
Is it a men's or women's watch?
Listed as men's, though at 40mm it sits in the range that suits anyone.
Cheapest place to buy
Goldsmiths at £57,550, pre-owned. No UK retailer we track lists this reference new.
Is this available new?
Not from the UK retailers we track. This reference is listed as pre-owned only, at £57,550 from Goldsmiths. Goldsmiths test every pre-owned watch for authenticity, timekeeping and water resistance, and warrant it for 2 years — the same term they give on a new watch.
Who are Goldsmiths?
Goldsmiths has been selling watches in Britain since 1778 and is part of the Watches of Switzerland Group, which is listed on the London Stock Exchange. They are an authorised dealer, so a watch comes with the manufacturer’s own warranty.
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