Additional information
| Brand: | Patek Philippe |
|---|---|
| Family: | Grand Complications |
| Reference: | 3990R-0XX |
| Name: | Perpetual Calendar Chronograph 3990 Rose Gold / Slate |
| Produced: | 1995 - 2005 |
| Limited: | No |
Case
| Material: | Pink gold |
|---|---|
| Bezel: | Gem-Set |
| Glass: | Sapphire |
| Back: | Open |
| Shape: | Round |
| Diameter: | 36.00 mm |
Dial
| Color: | Grey |
|---|---|
| Indexes: | Arabic Numerals |
| Hands: | Breguet |
Description
The Patek Philippe 3990 is a diamond-set variation of the 3970 Perpetual Calendar, with the bezel set with a 40 baguette-cut diamonds. It was available from ca. 1995 to 2005.
Picture by Christie's.
Movement
Based on a Nouvelle Lemania ebauche, the CH 27-70 Q powered the iconic references 3970 and 5970. With added rattrapante function (CHR 27-70 Q) it also served in the much-coveted 5004. It was the last of the Patek Philippe Perpetual Calendar Chronograph movements not to be fully in-house.
| Type: | Handwound |
|---|---|
| Brand: | Patek Philippe |
| Caliber: | CH 27-70 Q |
| Base: | Lemania2310 |
| Display: | Analog |
| Diameter: | 30.00 mm |
| Jewels: | 24 |
| Reserve: | 60 h |
| Frequency: | 18000 bph |
| Time: | Hours, Minutes, Small Seconds, Day / Night Indication |
| Date: | Date, Day, Leap Year, Month, Perpetual Calendar |
| Chronograph: | Chronograph, Column wheel |
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