The first numbered Patek Philippe Perpetual Calendar Chronograph ref. 3970 returns to Geneva on November 8 as part of Sotheby’s Important Watches sale. Originally sold at the brand’s Geneva salon
The first numbered Patek Philippe Perpetual Calendar Chronograph ref. 3970 returns to Geneva on November 8 as part of Sotheby’s Important Watches sale. Originally sold at the brand’s Geneva salon