A highly functional and robust modern timepiece from Certina's Double Security (DS) line, perfect for the modern professional or traveler. This gentleman's watch is the popular DS Multi-8 reference, known for its Swiss-made precision and eight complex functions. It offers the best of both analog and digital display technology. New Battery Installed: The watch has been recently fitted with a brand new battery, October 17th, 2025. Professional Care: The replacement was handled by a professional watchmaker, and the water resistance seals were checked to ensure the watch maintains its integrity and functions flawlessly. Condition: The watch is in excellent overall condition, showing minimal signs of wear commensurate with light use. The sapphire crystal is scratch-free. Full Functionality: All 8 functions (including chronograph, dual time zones T1/T2, alarm, perpetual calendar) are operating perfectly. Watch Details: Brand: Certina Model: DS Multi-8 (Analog-Digital) Reference No.: C020419A Movement: Swiss Quartz (Battery-powered, ETA E49.351) Approximate Production Year: Post-2011 (Model launch year) Dial: Black, featuring luminous hands and indexes with a clear digital display. Crystal: Scratch-resistant Sapphire Crystal. Water Resistance: 100m / 10 ATM. Functions Include: Dual Time Zone (T1 & T2) with Time Swap function Chronograph (Split and Lap) Alarm on T1 and T2 Perpetual Calendar (Day, Date, Week, Year)