Pre-owned watches trade across a wide condition spectrum. These ranges are typical for the secondary market.
Community + OSINT signals haven’t landed for this reference yet. We don’t publish a rating against zero signal — the number would mean nothing. Editorial body + caliber + market value still surface above; ratings appear once the signal corpus does.
Limited to 460 pieces; all accompanying documentation must be present and the caliber in the papers must match the Cal. 430P visible through the caseback.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| caseback | Cal. 430P identification and papers match | Exhibition caseback showing Cal. 430P; caliber text matches accompanying papers; serial number consistent with 460-piece production run | Caliber number that does not match papers; serial number outside the 460-piece range; solid caseback on exhibition-spec model |
| dial | 60th anniversary dial text and sunray finish | Silver sunray dial with specific anniversary text; text positioning and font consistent with Piaget press materials | Missing anniversary text; incorrect dial finish; dial text that does not match Piaget 60th anniversary specification |
| movement |
The Altiplano 60th Anniversary commemorates 60 years of ultra-thin expertise (2017) using caliber 430P, a manual-wind movement at 3.65mm thickness in a total case height of 5.25mm. Production ran 2017-2022 -- this is a limited-production piece, not an ongoing production reference.
Down 2% over the past 90 days
Based on eBay sales, last 12 months
| Cal. 430P winding and rate |
| Smooth manual winding throughout; movement runs at correct rate at 18,000bph (slower beat than modern movements) |
| Rough winding; incorrect beat rate; movement running significantly fast or slow indicating service need |
Production of the Altiplano 60th Anniversary ended in 2022. Legitimate old stock examples exist, but verify documentation carefully for any example represented as new.