Longines Master Collection Annual Calendar Automatic 42 mm Silver Barleycorn Dial Brown Alligator Strap [L2.920.4.78.3]

The Longines Master Collection Annual Calendar Automatic 42 mm [L2.920.4.78.3] is a standout expression of practical horological sophistication and enduring Swiss craftsmanship, anchored by its highly regarded annual calendar complication.

An annual calendar is an advanced mechanical function that automatically accounts for the differing lengths of calendar months. Unlike a standard date display that must be corrected at the end of every month with fewer than 31 days, an annual calendar intelligently distinguishes between 30-day and 31-day months, requiring adjustment only once per year at the end of February. This rare blend of everyday practicality and mechanical refinement elevates the watch well above a simple date model in both performance and ownership experience.

Framed within a polished 42 mm stainless steel case, the silver barleycorn dial is finished with an elegant texture and balanced layout. Applied Arabic numerals and finely shaped hands preserve the timeless design language of the Master Collection, while the annual calendar display integrates seamlessly for a clean, purposeful dial presentation.

Powering this timepiece is a Longines self-winding mechanical movement engineered to support the annual calendar function with reliability and precision. Beating at 25,200 vibrations per hour and offering a generous 72-hour power reserve, the movement is visible through the exhibition sapphire caseback, inviting appreciation of its thoughtful construction.

Completed with a rich brown alligator leather strap and secured by a triple-safety folding clasp with push-piece opening mechanism, the watch offers both comfort and refined wearability. A scratch-resistant sapphire crystal and water resistance to 30 metres further enhance durability, making this model a distinguished choice for collectors and daily wear alike.

Technical Specifications

• Brand: Longines
• Collection: Master Collection
• Model: L2.920.4.78.3
• Movement: Automatic, self-winding mechanical with Annual Calendar complication
• Power Reserve: Approximately 72 hours
• Case Material: Stainless steel
• Case Diameter: 42.00 mm
• Dial Colour: Silver with barleycorn textured finish
• Crystal: Scratch-resistant sapphire
• Functions: Hours, minutes, seconds, annual calendar date
• Strap: Brown alligator leather
• Clasp: Triple-safety folding clasp with push-piece opening mechanism
• Water Resistance: 30 metres / 3 bar
• Caseback: Sapphire exhibition caseback
• Warranty: 5-Year Longines International Warranty

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