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3448 | Perpetual Calendar | Yellow Gold
3448 | Perpetual Calendar | Yellow Gold
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A rare, yellow-gold Patek Philippe ref. 3448 Perpetual Calendar wristwatch, with Archive Extract. Originally introduced in 1962, the Patek Philippe Reference 3448 was the first serially-produced, self-winding perpetual calendar watch, to be released by any manufacturer. As the successor to the 2497 and 2438-1, the ref. 3448’s more angular design represented a departure from the classically-rounded cases and lugs, seen in previous complication references. Manufactured by Geneva-based case-maker Antoine Gerlach, the futuristic design of the ref. 3448 was nicknamed "Disco Volante" or “Flying Saucer”, by Italian collectors. This example was produced in 1976 and subsequently sold on November 13th, 1979. In 1982, the ref. 3448 was succeeded by the ref. 3450.
Antoine Gerlach’s craftsmanship was in regular demand by Patek Philippe throughout the 1960s, and he is believed to have been influential in its design. Gerlach’s signature can be found on the inner-caseback, below the serial numbers. First registered on September 8th, 1934, the Poinçon de Maître No.5 (known as the ‘Key of Geneva’), with a number ‘4’ located within – is specific to Antoine Gerlach SA. This was born of a decision by La Fédération Horlogère Suisse, requiring all precious metal cases to be stamped with the collective mark (Poinçon de Maître) of the Federation.
Refined in its execution, at first glance, the 3448 appears to be a triple-calendar with moon-phase, only to in fact automatically adjust for the month of February, as well as leap years. If the watch were to remain wound, no correction would be required until the year 2100. Described by the brand as “the watch that thinks”, the reference 3448 perfectly fit the dawn of the Digital Age.
It is understood less than 600 examples were produced, with most cased in yellow-gold (approximately 450 - 500 examples), like this piece. Others were produced in white-gold, and two examples are known to have been made in rose-gold.
Sized at 37.5 mm, the case was given the Italian nicknames “Disco Volante” (flying-saucer) and “Padellone” (large frying pan).This innovative, three-piece design was at the limits of what was possible for the time: razor-sharp lugs, a circular polished case (with flat satin-finished band) and a sloped bezel (fitted with a raised plexiglass). The 3448 also uses an integrated crown, which when disengaged, sits recessed into the case-band. Introduced after the ref. 2497, which was discontinued in 1961, the 3448 represents a significant step in Patek Philippe’s approach to design.
The dial of this example features small-line minute divisions, as well as a large date ring, more-commonly seen in later 3448s. This version of the minute-track was used on early 3448s, prior to the introduction of the ‘pearl’ design, before being reintroduced during production of third-series examples. Whilst many ref. 3448s carry a “Swiss only” designation at 6 o’clock, this watch carries an ‘Aprior’ dial, which uses a “Sigma Swiss Sigma” designation. This identifies the use of gold for the faceted indexes, complimenting the yellow-gold dauphine hands.
The reference 3488 is powered by the first ever automatic-winding perpetual calendar movement, the Calibre 27-460 Q, with ‘Q’ referring to Quantieme Perpetuel. The 27-460 Q features Patek Philippe's famed free-sprung Gyromax balance, with four ruby wheels to support the full-diameter rotor, which runs on a beryllium rail for stability. The solid-gold rotor is finished in classic Patek Philippe style, with circular Geneva stripes. Considered by many as one of the most stunningly refined and technically impressive wrist-watch movements ever made, the calibre represents an important development in modern watchmaking.
The watch has its original black strap, as well as brand new brown and taupe calf leather straps, all from Patek Philippe. The watch comes with the corresponding Patek Philippe yellow gold tang buckle.
Viewings can be arranged in Central London by appointment only.
Antoine Gerlach’s craftsmanship was in regular demand by Patek Philippe throughout the 1960s, and he is believed to have been influential in its design. Gerlach’s signature can be found on the inner-caseback, below the serial numbers. First registered on September 8th, 1934, the Poinçon de Maître No.5 (known as the ‘Key of Geneva’), with a number ‘4’ located within – is specific to Antoine Gerlach SA. This was born of a decision by La Fédération Horlogère Suisse, requiring all precious metal cases to be stamped with the collective mark (Poinçon de Maître) of the Federation.
Refined in its execution, at first glance, the 3448 appears to be a triple-calendar with moon-phase, only to in fact automatically adjust for the month of February, as well as leap years. If the watch were to remain wound, no correction would be required until the year 2100. Described by the brand as “the watch that thinks”, the reference 3448 perfectly fit the dawn of the Digital Age.
It is understood less than 600 examples were produced, with most cased in yellow-gold (approximately 450 - 500 examples), like this piece. Others were produced in white-gold, and two examples are known to have been made in rose-gold.
Sized at 37.5 mm, the case was given the Italian nicknames “Disco Volante” (flying-saucer) and “Padellone” (large frying pan).This innovative, three-piece design was at the limits of what was possible for the time: razor-sharp lugs, a circular polished case (with flat satin-finished band) and a sloped bezel (fitted with a raised plexiglass). The 3448 also uses an integrated crown, which when disengaged, sits recessed into the case-band. Introduced after the ref. 2497, which was discontinued in 1961, the 3448 represents a significant step in Patek Philippe’s approach to design.
The dial of this example features small-line minute divisions, as well as a large date ring, more-commonly seen in later 3448s. This version of the minute-track was used on early 3448s, prior to the introduction of the ‘pearl’ design, before being reintroduced during production of third-series examples. Whilst many ref. 3448s carry a “Swiss only” designation at 6 o’clock, this watch carries an ‘Aprior’ dial, which uses a “Sigma Swiss Sigma” designation. This identifies the use of gold for the faceted indexes, complimenting the yellow-gold dauphine hands.
The reference 3488 is powered by the first ever automatic-winding perpetual calendar movement, the Calibre 27-460 Q, with ‘Q’ referring to Quantieme Perpetuel. The 27-460 Q features Patek Philippe's famed free-sprung Gyromax balance, with four ruby wheels to support the full-diameter rotor, which runs on a beryllium rail for stability. The solid-gold rotor is finished in classic Patek Philippe style, with circular Geneva stripes. Considered by many as one of the most stunningly refined and technically impressive wrist-watch movements ever made, the calibre represents an important development in modern watchmaking.
The watch has its original black strap, as well as brand new brown and taupe calf leather straps, all from Patek Philippe. The watch comes with the corresponding Patek Philippe yellow gold tang buckle.
Viewings can be arranged in Central London by appointment only.
Closer look
Brand: | Patek Philippe |
Model: | Perpetual Calendar Ref. 3448 |
Movement: | self-winding - calibre 27-460 Q |
Functions: | perpetual calendar: month, date, day, moonphase, hours, minutes, centre seconds |
Features: | aprior dial, gold dauphine hands |
Case: | 37.5 mm yellow gold |
Crystal: | raised plexi-glass |
Strap: | three Patek Philippe straps and yellow gold tang buckle, Capri nubuck strap |
Year: | 1976 (Sold November 13th, 1979) |
Box & papers: | extract from the Archives and Patek Philippe pouch |
This Patek Philippe Reference 3448 is accompanied by an Extract from the Archives, confirming production of this watch (in yellow-gold) in 1976 and its subsequent sale on November 13th, 1979. The case is exceptionally well-preserved, with razor sharp lugs, a circular polished case (with flat satin-finished band) and sloped bezel. The brushed case-back displays superficial marks at the centre. The inner-case-back correctly displays the watch’s unique serial number (332 XXX), as well as the reference number '3448’, below the manufacture’s signature.
The dial is similarly well-preserved, with no signs of previous exposure to the elements (or intervention). The dial of this ref. 3448 is distinguished by the small-line minute divisions, as well as a large date ring (more-commonly seen in later 3448s). This version of the minute-track was used on early 3448s, prior to the introduction of the ‘pearl’ design, before being reintroduced during production of third-series examples. Whilst many ref. 3448s carry a “Swiss only” designation at 6 o’clock, this watch carries an ‘Aprior’ dial, which uses a “Sigma Swiss Sigma” designation. This identifies the use of gold for the faceted indexes, complimenting the yellow-gold dauphine hands. The 27-460 Q calibre movement of this ref. 3448 Perpetual Calendar keeps excellent time and comes with a two-year warranty from A Collected Man.
The dial is similarly well-preserved, with no signs of previous exposure to the elements (or intervention). The dial of this ref. 3448 is distinguished by the small-line minute divisions, as well as a large date ring (more-commonly seen in later 3448s). This version of the minute-track was used on early 3448s, prior to the introduction of the ‘pearl’ design, before being reintroduced during production of third-series examples. Whilst many ref. 3448s carry a “Swiss only” designation at 6 o’clock, this watch carries an ‘Aprior’ dial, which uses a “Sigma Swiss Sigma” designation. This identifies the use of gold for the faceted indexes, complimenting the yellow-gold dauphine hands. The 27-460 Q calibre movement of this ref. 3448 Perpetual Calendar keeps excellent time and comes with a two-year warranty from A Collected Man.
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