Edifice ( EFV-550D-1A , Quartz Movement , Steel Strap )

Design & Materials

• Case & Bezel Material: Solid stainless steel
• Case Size: \(53 \times 47 \times 12.1\) mm (Length \(\times \) Width \(\times \) Thickness)
• Dial: Black dial with luminous hands and markers for low-light visibility
• Crystal: Scratch-resistant mineral glass
• Band: Stainless steel bracelet with a one-touch 3-fold safety clasp
• Weight: 156 g
• Case Back: Screw-lock back for secure protection [1, 2, 3, 4]

Movement & Features

• Movement Type: Quartz (Caliber 5579)
• Stopwatch: 1/10-second chronograph measuring up to 59 minutes and 59.9 seconds (modes include elapsed time, split time, and 1st-2nd place times)
• Calendar: Date display
• Water Resistance: 100 meters (10 bar), suitable for swimming and snorkeling [1, 2, 3, 4]

Battery & Accuracy

• Battery Life: Approximately 3 years on an SR920SW battery
• Accuracy: \(\pm 20\) seconds per month