Patek Philippe "Jumbo UFO" Automatic Steel Purple 35mm Dial Leather Strap Watch

Unique Patek Philippe automatic watch in stainless steel featuring a cushion-shaped case measuring 35 x 40mm with metallic purple sunburst dial, stick hour markers, central sweep seconds, and automatic back-wind movement. Informally known as a "Jumbo UFO" model. Complete with the original Patek black leather strap. Buckle not original.

Everything about this watch is unique. The crown, for example, is positioned on the caseback making this particular Reference the only stainless steel, back-wind configuration in the entire Patek catalog.

Steel Pateks are rare, with a speculated 500 examples of this Reference ever having been produced.

Product Specifications:

• Item Type: Dress Watch
• Brand: Patek Philippe
• Model: Geneve 'Jumbo UFO'
• Reference Number: 3580
• Metal: Stainless Steel
• Case Size: 35 x 40mm cushion shape
• Dial: Metallic Purple Sunburst
• Movement: Automatic Backwind
• Strap: Black Leather (original Patek)
• Buckle: Pin Buckle (not original Patek)
• Case Back: Solid
• Origin: Swiss Made
• CIRCA: 1974
• Condition: Good with typical surface wear, watch runs

Dial Details:

• Color: Metallic Purple Sunburst
• Finish: Brushed Sunburst Texture
• Hour Markers: Stick Style
• Hands: Matching Stick Style
• Seconds: Central Sweep Seconds Hand
• Logo: Patek Philippe Geneve, Swiss

Design & Construction

This exceptional Patek Philippe 'Jumbo UFO' reference 3580 showcases the manufacture's exploration of cushion-shaped case design during the 1970s when rounded square forms represented contemporary styling. The stainless-steel case measuring 35 x 40mm provides distinctive wrist presence through its geometric outline that combines round curves with subtle angular corners. The metallic blue sunburst dial creates sophisticated visual depth through radial brushing that catches light dynamically, while sleek stick hour markers and matching hands maintain minimalist elegance characteristic of 1970s design philosophy. The central sweep seconds hand provides practical timekeeping visibility across the dial face. The automatic back-wind movement represents Patek Philippe's commitment to reliable mechanical timekeeping, while the solid caseback emphasizes the watch's streamlined design aesthetic by eliminating exhibition windows in favor of clean lines.

About Patek Philippe

Founded in 1839 in Geneva, Patek Philippe represents the pinnacle of Swiss watchmaking tradition, maintaining independent family ownership while consistently producing timepieces of exceptional quality and innovation. The manufacture's motto "You never actually own a Patek Philippe. You merely look after it for the next generation" reflects the brand's philosophy of creating heirloom timepieces built to transcend their original owners. Reference 3580 dates from Patek Philippe's era of design experimentation during the 1970s when the brand explored alternative case shapes beyond traditional round forms, creating distinctive cushion-shaped watches that appealed to collectors seeking contemporary styling combined with traditional Swiss mechanical excellence. The use of stainless steel rather than precious metals made these watches more accessible while maintaining Patek Philippe's uncompromising standards for finishing, movement quality, and long-term reliability. The blue sunburst dial represents period-correct color preferences when metallic blue emerged as a sophisticated alternative to traditional silver, black, or champagne dial tones.