1950 Patek Philippe Ref.2551 Calatrava "Disco Volante" 18KYG
Ref.2551は、代表機であるカラトラバのシリーズの中でも、円盤のような形をしているということで「ディスコボランテ」（Disco Volante = 空飛ぶ円盤）という二つ名でも知られています。
自動巻ムーブメントCal.12-600は、巻き上げ効率の向上を図ってローター素材に比重の重い18金無垢が採用され、美しくギョウシェ彫りされた贅沢な仕様になります。 パテックフィリップファンの方々羨望のRef.2526(通称:トロピカル）と同機種のこのキャリバーは1953年から1960年迄の僅かな年数に7099体しか生産されていません。緩急針と併用されるジャイロマックステンプの採用と、後期型の特徴であるローター軸やローター固定プレート等に幾つかの少変更が施されています。 この時代のスワンネックとチラシネジも、ムーブメントの美しさを象徴しています。このローターが回転するために山成りに膨らんだスクリューバックと、PPマークのリューズが特徴的です。

メーカー:　 Patek Philippe（パテック・フィリップ社）Ref.2551
年代: 　1950年代
ケース径:　 36mm（竜頭を含まず）
コンディション: 　美品（ほぼ未研磨）
ケース素材: 　18KYG金無垢
ダイヤル:　シャンパンゴールド、オリジナルで状態良好
ムーブメント:　Cal. 12-600AT 、秒針独立機構、30石
シリアル：　購入される方のみ明記
風防:　プラ風防
バンド:　革ストラップ付き（画像のものと変わっている可能性あり）
尾錠：　Dバックル（GP製）
付属品:　アーカイブ抄本（有料で取り寄せ）
＊真贋につきましては生涯保証となっています。

※ 本品をお買いあげの際には、弊店の保証約款上、分解掃除ののちお渡しとなります。施工完了まで１〜２ヶ月お待ち頂くことになりますので何卒ご了承下さい。なお、ご購入日より１年間が動作保証の対象となります。



1950 Patek Philippe Ref.2551 Calatrava "Disco Volante" 18KYG

Year: 1950s
Reference: 2551
Model Name: Calatrava "Disco Volante"
Material: 18KYG
Calibre: Automatic, 12-600AT
Clasp/Buckle: GP folding buckle
Dimensions: 36mm diameter without crown
Accessories: The PP archive will be ordered for a fee

Ref.2551 is equipped with Patek Philippe's first self-winding movement "Calibre 12-600AT", which has a very high winding efficiency due to its beautifully carved guilloche-engraved heavy 18-karat gold rotor. This caliber are only a few years from 1953 to 1960. Only piece of 7099 was produced and I believe it is installed into only 3 references of Ref.2526, Ref.2551, Ref.2552.
The gyromax balance used in combination with the slow and fast needles has been adopted, and some minor changes have been made to the rotor shaft and rotor fixing plate, which are the characteristics of the latter model. Also, the fact that this caliber was very good is that the 23-300-based Cal.27-460, which was succeeded from 1961, has almost not changed the self-winding mechanism except that ball bearings are adopted for the rotor shaft.
The swan's neck and leaflet screws of this era also symbolize the beauty of the movement. The screw back that swells in like a mountains provided for this rotor to rotate. The crown of the PP mark are characteristic. And, in the history of Calatrava, Ref.2526 (Tropical) and this Ref.2551, Ref.2552 (Disco Volante) are the only references that have been given a common name.


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