1964 Patek Philippe Vintage Mens Handwound Ultra Thin Watch, Ref. 3491 - 18K Gold with Papers 10K Gold Filled and Stainless Steel So effective was the architecture

So effective was the architecture of the caliber 900

and showcasing an interesting dial design and pure case with a well-made movement - it makes the watch a bit of a bargain

served as the transitional mechanism between the 489 and 814

applique baton markers topped with black at the primary hours

1964 Patek Philippe Vintage Mens Handwound Ultra Thin Watch, Ref. 3491 - 18K Gold with Papers 10K Gold Filled and Stainless Steel So effective was the architectureWe are pleased to offer the very fine and pleasing Patek Philippe mens ref. 3491 watch showcased in today's offering. With its understated silver face and timeless square case, it showcases a classic and elegant Patek style. Its faceted case has an ultra thin profile from the side. Powered by a Patek Philippe caliber 175 handwound movement, the company's first ultra thin mechanism, the watch excels in technical merits. This illustrious movement was