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Patek Philippe Complications 5905P-010
Ref. 5905P-010
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Stepping up in Patek Philippe's range
The 5905P is best understood as a correction. Its predecessor, the reference 5960, was technically accomplished but crowded — a power reserve indicator and a running-seconds sub-dial competed for attention on an already busy dial. Patek stripped both away and built the 5905P around what the annual calendar and flyback chronograph actually need: space to breathe, and a layout that lets a wearer read the day, date and month from the three arc-set apertures across the upper dial without stopping to decode anything. Platinum at 130.3 grams is a serious presence on the wrist, and nothing about this watch pretends otherwise. What Patek does manage is the geometry: the hollowed, sculpted lugs and concave bezel distribute that mass so the 14.03mm case lies flatter against the wrist than its weight suggests, and the whole thing disappears under a cuff more readily than most pieces at this depth. The single Top Wesselton diamond pressed into the case flank at 6 o'clock is a marker rather than decoration — a small, traditional signal of platinum construction for those who know to look. The calibre CH 28-520 QA 24H is built to the Patek Philippe Seal, which is the manufacturer's own standard and stricter than COSC in both finishing and mechanical tolerance. The Spiromax spring is silicon-based and anti-magnetic; the Gyromax balance is adjustable without weights, which keeps the regulation clean over decades of ownership. A 55-hour reserve means a watch worn through the week and left on a Friday will still be running Monday morning.
- Reference
- 5905P-010
- Brand
- Patek Philippe
- Collection
- Complications
- Case size
- 42mm
- Case thickness
- 14.03mm
- Lug width
- 22mm
- Case material
- White gold
- Case shape
- Round
- Dial
- Black
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- CH 28-520 QA 24H
- Functions
- Chronograph, Date, Power reserve indicator
- Water resistance
- 30m
- Bracelet / strap
- Leather strap
- Strap colour
- Black
- Clasp
- Buckle
- Lume
- Super-LumiNova
- Condition
- Pre-owned
- Retailer
- Goldsmiths
Additional specifications
- Lug-to-lug
- 50.46mm
- Power reserve
- 55 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 7 collections
This watch appears in the Patek Philippe Complications range (13), Automatic Watches (1,792), Chronograph Watches (1,336), Leather Strap Watches (1,111), Watch Price Drops (363), Pre-Owned, Ex-Display & Vintage Watches (356) and Solid Gold Watches (162).
2-year Goldsmiths warranty
What the specifications mean
A mechanical watch for everyday wear.
Strengths
- Sapphire crystal, which resists scratching
- Luminous hands and markers for low light
Worth knowing
- 30m means keeping it away from water
- 14.03mm thick, so it will not disappear under a cuff
Price history
This watch is currently at its lowest recorded price. It reached £61,950 on 18 September. Prices are checked every day, and we record any changes.
Patek Philippe Complications 5905P-010 alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | 5905P-010 | 326935 | 26240OR.OO.D315CR.01 |
|---|---|---|---|
| Price | £54,950 | £44,950 | £74,450 |
| Case size | 42mm | 42mm | 41mm |
| Water resistance | 30m | 100m | 50m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Leather strap | Stainless steel bracelet | Leather strap |
| Power reserve | 55 hours | 72 hours | — |
| This watch |
|
|
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.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
Quartz, automatic and solar comparedHow long does it run for when it's not worn?
About 55 hours fully wound — enough to survive a night off the wrist, but not a full weekend.
What size strap does it take?
22mm. 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.
Will it fit my wrist?
Lug-to-lug is 50.46mm, which suits wrists from roughly 17.5cm (7 inches) upward.
Lug-to-lug decides fit more than case diameter does.
How to size a watch to your wristIs it a men's or women's watch?
Listed as men's.
Cheapest place to buy
Goldsmiths at £54,950 is the cheapest of 3 UK retailers, against £61,950 at the dearest — a difference of £7,000.
Has the price changed recently?
It's currently at its lowest recorded price since we began tracking it. It's ranged between £54,950 and £61,950, today it's £54,950.
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