Patek Philippe 5905/1A Annual Calendar Chronograph SS Green Dial

The Patek Philippe 5905/1A-001 Annual Calendar Chronograph in stainless steel, first released in 2021, boldly introduces a vibrant sunburst green dial to one of the brand’s most lauded contemporary references. This timepiece marks the debut of the 5905 with a steel case and matching integrated bracelet—a notable pivot for a lineage previously reserved for precious metals, thus increasing daily wearability and broadening its collector appeal. The reference houses the in-house caliber CH 28-520 QA 24H, an automatic movement that expertly marries the flyback chronograph with an annual calendar complication—displaying day, date, and month in three apertures across the upper dial, adjusting for months with 30 or 31 days, and requiring correction only once each year. Its commanding 42mm case sits comfortably thanks to an updated bracelet design and its moderate thickness, conveying substantial wrist presence with finesse. The green dial exhibits striking nuance, shifting tone with the light, and is punctuated by luminescent hands and applied indices for clarity. The 5905/1A-001’s fusion of robust steel construction and refined technical content makes it a standout modern collectible, especially given Patek Philippe’s storied restraint when assigning steel to complicated wristwatches. This reference is rapidly establishing itself as an essential target for connoisseurs desiring both technical sophistication and contemporary versatility in their collection. Like New with Patek Philippe box, setting pin and papers dated 2021.