Longines Ultronic Tuning Fork

＜ヴィンテージ＞　ロンジン・ウルトロニック 音叉式時計 
 
- 機能：三針・デイト（デイト早送り&秒針規制付き) 
- ムーヴメント： cal. 6312 音叉式（電池駆動） 
- 製造年代：1970年代（推定） 
- 文字盤 : シルバー色、アプライド・ロゴ＆インデックス 
- ケース：S/S製 
- ケースサイズ：径＝約35mm (純正の竜頭を除く) ・厚さ＝約10mm 
- 風防：プラスティック製 
- バンド：社外製革バンド＆社外製バックル 
- ラグ幅：18mm 
- 状態：稼働品（ヴィンテージ・中古品） 
- 防水機能：年代物につき非防水扱いにて 
- 付属品：なし 
 
クォーツ式時計が世に出る前、高精度を誇った音叉式時計です。当時はかなりの高級品だったようです。ダイアル内にある、音叉を模したマークとインデックス内側の赤い差し色が静かにそれを主張しています。耳を近づけると「ピーン」という音叉式独特の音がするのと、淀みなく流れるスウィープ秒針とが特徴です。現在では希少な時計だと思います。 
 
コンディションについては、ケース＆ベゼルは軽く研磨を行ないましたので、磨きで取り切れないキズ・打痕は少しありますが、クスミが消えて全体的に光沢感があります。ダイアル内は僅かにチリ・ホコリの混入がありますが、目立つキズは無く綺麗なほうです。針＆インデックスはごく僅かな経年変化がありますが概ね綺麗です。尚、夜光部分は劣化があり蓄光しない状態です。プラ風防には目立つキズはありません。裏蓋にはオープナーによるキズ等が少々あります。若干の見落としはあるかも知れませんが、着用時の外観は美品の範疇に入ると思います（個人の主観）。尚、革バンドは若干のダメージと使用感があります。 
 
精度については、姿勢や使用状況にも拠りますが、音叉式らしく現状は日差+2秒ほどで安定稼働しており、なかなか正確かと思います。 
 
購入以来、往年のロンジンらしい風格とヴィンテージ感が満載のデザインが気に入って大事に使用してきましたが、最近意匠の類似した時計を購入したため（笑）使用頻度が減っていますので、断捨離の一環として出品します。
商品の情報
カテゴリー
メンズ > 時計 > 腕時計(アナログ)
ブランド
ロンジン
商品の色を
ブラウン系 / グレイ系 / オレンジ系
商品の状態
やや傷や汚れあり
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