Philippe Dufour

Simplicity

Name: Philippe Dufour Simplicity Simplicity
Brand: Philippe Dufour
SKU: Simplicity

Ref. Simplicity

2000–present · 37mm · caliber Philippe Dufour in-house, manual-wind: three-hand, 18,000bph, 60h PR; entirely hand-made and hand-finished by Dufour alone; anglage and polishing held as the industry's highest reference standard; fewer than 200 total produced since 2000

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Movement tier: unclassified · caliber Philippe Dufour in-house, manual-wind: three-hand, 18,000bph, 60h PR; entirely hand-made and hand-finished by Dufour alone; anglage and polishing held as the industry's highest reference standard; fewer than 200 total produced since 2000 · 60h power reserve (2.5 days)

Versatile size: fits most wrists (6–7.5 in / 15–19 cm)

37 mm case. The sweet spot for the broadest range of wrist sizes. Neither too dainty nor too bold.

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Authentication

The Simplicity is a three-hand dress watch from Philippe Dufour, made largely by hand in the Vallee de Joux. Fewer than 200 exist. Authentication centers on movement finishing quality, which is unmatched; any example that feels less than extraordinary under a loupe should prompt expert review.

Known issues in the market

Extremely limited production means any example for sale deserves documented provenance and auction or dealer history.
There are no known direct counterfeits of the Simplicity at the level that could deceive an expert; misrepresentation of condition or originality is the primary risk.
Dial printing is done to museum-quality standards; any imperfection in the "PHILIPPE DUFOUR" and "GENEVE" text is a strong indicator of a problem.

Area	What to check	What is correct	Red flag
movement	Anglage on every bridge edge	Hand-cut chamfer on every visible edge; chamfers are consistent, crisp, and reflect light uniformly under a loupe; this is the definitive tell: no factory can replicate it	Soft or rounded chamfer edges; inconsistent width along a single bridge edge; visible grinding marks
movement	Surface finish quality	Perlage (circular graining) on plates is perfectly regular; straight-grained brushing on bridges runs without wavering; no swirl or machine-finish marks	Irregular perlage; any wavering in straight-grained surfaces; visible machine finish
dial	Dial text precision: "PHILIPPE DUFOUR" and "GENEVE"	Text is printed with perfect letter spacing and consistent ink weight; letters do not vary under magnification	Any uneven spacing, inconsistent stroke weight, or blurring under a 5x loupe
dial	Dial construction (guilloché or enamel)	Engine-turned guilloché shows mechanical hatching with faceted texture under a loupe; enamel dials have depth and translucency impossible to fake by printing	Printed or photographed texture on a claimed guilloché or enamel dial; flat, uniform appearance under magnification
case	Case hallmarks and metal purity	Gold or platinum case carries correct purity marks for the country of sale; case weight consistent with declared metal	Missing or inconsistent hallmarks; case weight inconsistent with declared metal

Common legitimate replacements

Strap replacement is common on older examples; original Dufour-fitted straps are rarely available, so any strap is plausible.

Expert resources: Professional authentication by a major auction house specialist (Phillips, Christie's, Sotheby's) is advisable for any transaction. Auction house archives provide comparison photography. The collector community at WatchUSeek's Independent Watchmakers board can provide additional context.

Authentication guide

Last reviewed June 2026

Philippe Dufour makes perhaps 5 to 10 watches per year personally. The Simplicity is a three-hand piece in yellow or white gold. The movement anglage sets the reference standard for the entire craft. Provenance and auction records are the only practical authentication tools.

Known reproduction risks

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LOW

No practical reproduction exists

The finishing standard required to replicate the Simplicity movement is itself the top of the craft; no non-genuine version could approach it

For a Dufour Simplicity, the only authentication path that matters is provenance: auction house records, the maker's personal registry, and a chain of ownership from documented first sale. No physical inspection alone is sufficient given the values involved.

Dial variants by era

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Era	Description	Identifiers
Simplicity production (ongoing)	37mm, yellow or white gold case. Clean three-hand silver or enamel dial. No complication.	Guilloche or plain silver dial depending on year and commission Dufour signed dial with precise typography Blued steel hands of exceptional finish

Service part flags

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Movement

Original: Entirely hand-made and hand-finished by Dufour. Anglage on every bridge and plate is hand-filed, not machine-cut. Polished surfaces flat enough to reflect faces.

Replacement tells

Any anglage with a rounded profile rather than crisp acute angle
Visible tool marks on polished surfaces under loupe
Machine-cut chamfering (rounded corners, consistent depth without hand variation)
Any movement other than Dufour's proprietary caliber

Case

Original: Hand-made gold case; dimensions are precise and consistent per Dufour's files.

Replacement tells

Case metal inconsistent with the precious metal marking
Dimensions diverging from the Dufour specification

Case back markings

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All production

Philippe Dufour signature on the movement, not just engraved on the caseback
Serial number; Dufour keeps personal records of every piece
Precious metal purity marking

Movement tells

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Every surface of the movement bridges and plates should reflect clearly under a loupe. Any hazy or matte area on a surface that should be polished is a sign the movement has been mishandled or is not original.
The anglage on every edge is hand-filed; it shows slight individual variation piece to piece. Machine-cut chamfers are perfectly consistent in depth and angle, which is the opposite of the Dufour standard.
Dufour personally records each piece; contacting the maker or his authorized representatives to confirm the serial is the definitive authentication step.

Sources: Phillips Watches auction records; Christie's Watch auction records.