← Back to Discover
Product photo · photo source
Patek Philippe · Grand Complications
Perpetual Calendar
Reference 3940J
Last retail price
Not available
No list price
Status
Discontinued
1985–2006
ComplicationDressPerpetual calendarMoon phase
Specifications
| Reference | 3940J |
| Production dates | 1985–2006 |
| Notes | The reference that defined the modern Patek perpetual calendar (1985–2006), yellow gold. Seen in dealer inventory (Wristcheck, Sep 2026). |
| Movement | Calibre 240 Q, automatic |
| Case | 36 mm diameter · yellow gold |
| Water resistance | 30 m |
| Dial | White |
| Bracelet / strap | Strap |
| Complications | Perpetual calendar, Moon phase |
Price history
Market pricing for this reference arrives with the pricing engine. Retail: No list price.
Also in Grand Complications
Perpetual Calendar5320G-011 · Rose-gilt opaline · Alligator leather with square scalesNot availablePerpetual Calendar5327G-001 · Sunburst blue · Alligator leather with square scalesNot availableCalatrava Perpetual Calendar5327R-001 · Lacquered ivory · Alligator leather with square scalesNot availablePerpetual Calendar7140G-001 · Silvery sunburst · Alligator leather with square scalesNot availablePerpetual Calendar7140R-001 · Silvery sunburst · Alligator leather with square scalesNot availablePerpetual Calendar5236P-001 · Blue · Alligator leather with square scalesNot available
All 113 in Grand Complications