The ref. 3445, introduced in 1961, was Patek Philippe’s first automatic wristwatch with a date display, establishing a new standard for the modern Calatrava. Its 35 mm waterproof case, crafted by Antoine Gerlach, is complemented by a screw-down case back. The reference was in production for over two decades, and remains a cornerstone for collectors who seek elegance and practicality. The “/6” designation denotes an integrated bracelet, making this ref. 3445/6J not only mechanically significant but also visually striking, with seamless gold construction from case to bracelet. Fits wrist 7.5 inches.
Collectability says:Â
“The ref. 3445/6J is a quintessential vintage Patek Philippe — a perfect blend of technical achievement and understated luxury. Its automatic caliber 27-460M, combined with a practical date function, makes it a highly wearable vintage watch even today. The integrated bracelet elevates this example, giving it presence and sophistication that capture the spirit of 1970s style while remaining timeless. For collectors, the ref. 3445/6J is a must-have, daily-wear Calatrava with historical importance and enduring charm.”