L27734517

The Longines Master Collection

• Movement: Self-winding automatic movement, Caliber L678 or L687
  • Vibrations: 28,800 vph
  • Power Reserve: Approximately 46 to 54 hours
• Case Material: Polished and brushed stainless steel
• Case Shape: Round
• Dimensions: 40.00 mm or 42.00 mm (specifications may vary by version)
• Case Thickness: 14.00 mm
• Dial: Black with "Barleycorn" or guilloché finish and painted Roman numerals
• Crystal: Scratch-resistant sapphire crystal
• Case Back: Transparent / Exhibition sapphire crystal case back
• Bracelet/Strap: Black leather strap with crocodile pattern and triple safety deployment buckle
• Water Resistance: 30 meters (3 bar / 100 feet)
• Functions: Hours, minutes, small seconds, 24-hour indicator, day, month, date (indicated by half-moon central hand), moon phase, and chronograph