Kensington Watches
Patek Philippe Complications Flyback Chronograph Annual Calendar 42mm Rose Gold

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Patek Philippe

Patek Philippe Complications Flyback Chronograph Annual Calendar 42mm Rose Gold

Ref. 5905R-010

The 5905R-010 arrived in 2023 as the successor to its brown-dialed predecessor, keeping the same architecture but pairing the sculpted rose gold case with a deep sunburst blue dial — a combination that pulls the design toward something noticeably more contemporary. The concave bezel and scalloped lugs are not purely decorative: on the wrist, they distribute the weight of a solid 18k gold case in a way that makes 42mm feel closer to 40, and the whole thing sits flatter against the wrist than the 14.03mm thickness might suggest. Inside runs Calibre CH 28-520 QA 24H, which integrates three things that are each difficult on their own — a column-wheel flyback chronograph with vertical clutch, and Patek's patented annual calendar module — into a movement that carries the Patek Philippe Seal. That seal is not a marketing category; it mandates specific finishing standards throughout the movement, from polished sinks to chamfered slots and circular Côtes de Genève, all of which become visible through the caseback. The annual calendar itself requires just one manual correction a year, at the end of February, and displays day, date and month across a clean upper arc that stays legible without squinting. Faceted dauphine hands and applied rose gold baton markers keep the dial from being busy despite everything it carries.

Reference
5905R-010
Brand
Patek Philippe
Case size
42mm
Case thickness
14.03mm
Lug width
21mm
Case material
Rose gold
Case shape
Round
Dial
Blue
Crystal
Sapphire
Movement
Automatic
Calibre
CH 28-520 QA 24H
Functions
Chronograph, Date
Water resistance
30m
Bracelet / strap
Leather strap
Strap colour
Blue
Clasp
Deployant clasp
Lume
Luminous
Condition
Pre-owned
Retailer
Goldsmiths
Additional specifications
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.

All Patek Philippe watches

Also in 6 collections

This watch appears in Automatic Watches (1,432), Chronograph Watches (1,150), Leather Strap Watches (918), Blue Dial Watches (753), Pre-Owned, Ex-Display & Vintage Watches (250) and Solid Gold Watches (98).

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
Best forTiming thingsFormal wear
Less suited toWaterUnder a shirt cuff

Compare alternatives

Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.

Complications Flyback Chronograph Annual Calendar 42mm Rose Gold compared with 2 alternatives from other brands
SpecificationThis watchComplications Flyback Chronograph Annual Calendar 42mm Rose Gold5905R-010Audemars PiguetRoyal Oak 41mm Rose Gold26240OR.OO.D315CR.01Vacheron ConstantinOverseas 41mm Rose Gold4500V/110R-B705
Price£61,000£74,450£50,950
Case size42mm41mm41mm
Water resistance30m50m150m
MovementAutomaticAutomaticAutomatic
StrapLeather strapLeather strapLeather strap
Power reserve55 hours60 hours
This watch
  • Costs more
  • Rated deeper
  • Costs less
  • Rated deeper

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 55 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.

Cheapest place to buy

Goldsmiths at £61,000, 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 £61,000 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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