Perpetual rotor
E623663
The Perpetual rotor is Rolex’s self-winding mechanical system that uses a semi-circular oscillating weight to continuously wind the watch as it is worn.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Perpetual rotor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6850942 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Perpetual rotor Context triple: [Rolex, hasTechnology, Perpetual rotor]
-
A.
Perpetual Motion
Perpetual Motion is a novel by Canadian writer Graeme Gibson that blends experimental narrative with themes of history, myth, and the Canadian experience.
-
B.
Carmen Arcadiae Mechanicae Perpetuum
Carmen Arcadiae Mechanicae Perpetuum is a complex, rhythmically driven orchestral work by British composer Harrison Birtwistle, noted for its intricate mechanical textures and modernist style.
-
C.
Rotor
Rotor is a Russian football club nickname most commonly associated with FC Rotor Volgograd.
-
D.
Gnome Monosoupape rotary engine
The Gnome Monosoupape rotary engine was a widely used early 20th-century French aircraft engine known for its single-valve-per-cylinder design and extensive use in World War I fighter planes.
-
E.
Wankel rotary engine
The Wankel rotary engine is an internal combustion engine that uses a rotating triangular rotor instead of reciprocating pistons, known for its compact size, smooth operation, and use in select Mazda sports cars.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Perpetual rotor Target entity description: The Perpetual rotor is Rolex’s self-winding mechanical system that uses a semi-circular oscillating weight to continuously wind the watch as it is worn.
-
A.
Perpetual Motion
Perpetual Motion is a novel by Canadian writer Graeme Gibson that blends experimental narrative with themes of history, myth, and the Canadian experience.
-
B.
Carmen Arcadiae Mechanicae Perpetuum
Carmen Arcadiae Mechanicae Perpetuum is a complex, rhythmically driven orchestral work by British composer Harrison Birtwistle, noted for its intricate mechanical textures and modernist style.
-
C.
Rotor
Rotor is a Russian football club nickname most commonly associated with FC Rotor Volgograd.
-
D.
Gnome Monosoupape rotary engine
The Gnome Monosoupape rotary engine was a widely used early 20th-century French aircraft engine known for its single-valve-per-cylinder design and extensive use in World War I fighter planes.
-
E.
Wankel rotary engine
The Wankel rotary engine is an internal combustion engine that uses a rotating triangular rotor instead of reciprocating pistons, known for its compact size, smooth operation, and use in select Mazda sports cars.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
automatic winding system
ⓘ
self-winding watch mechanism ⓘ |
| associatedWith | Rolex Oyster case NERFINISHED ⓘ |
| brandAssociation | Rolex Perpetual label ⓘ |
| category |
horological innovation
ⓘ
watchmaking technology ⓘ |
| designedFor | wristwatches ⓘ |
| developedBy | Rolex NERFINISHED ⓘ |
| distinguishes | Rolex automatic watches from manual-wind watches NERFINISHED ⓘ |
| drives | mainspring barrel ⓘ |
| enables |
continuous winding while worn
ⓘ
maintenance of power reserve ⓘ |
| energySource | kinetic energy ⓘ |
| function |
automatic winding of mainspring
ⓘ
converts wrist motion into winding energy ⓘ |
| hasComponent |
central rotor
ⓘ
semi-circular oscillating weight ⓘ winding gear train ⓘ |
| hasEffect | reduces need for manual winding ⓘ |
| influenced | later automatic watch rotor designs ⓘ |
| introducedBy | Rolex founder Hans Wilsdorf NERFINISHED ⓘ |
| introducedIn | 1931 ⓘ |
| locatedIn | movement of the watch ⓘ |
| manufacturer | Rolex NERFINISHED ⓘ |
| marketedAs | Perpetual ⓘ |
| marketingTermOf | Rolex automatic winding system ⓘ |
| material | metal ⓘ |
| movementType | mechanical ⓘ |
| notableFor |
contribution to waterproof automatic watches
ⓘ
reliability in everyday wear ⓘ |
| operatesWhen | watch is worn on wrist ⓘ |
| operatingPrinciple | oscillating mass winds mainspring via reverser gears ⓘ |
| patentedBy | Rolex NERFINISHED ⓘ |
| patentType | self-winding mechanism patent ⓘ |
| poweredBy | wearer wrist movements ⓘ |
| requires | bidirectional or unidirectional winding system ⓘ |
| rotates | freely in both directions ⓘ |
| status | core feature of modern Rolex watches ⓘ |
| usedIn |
Rolex Oyster Perpetual watches
NERFINISHED
ⓘ
Rolex automatic movements NERFINISHED ⓘ |
| usedSince | 1930s ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Perpetual rotor Description of subject: The Perpetual rotor is Rolex’s self-winding mechanical system that uses a semi-circular oscillating weight to continuously wind the watch as it is worn.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.