Citizen Promaster BY3006-53E Men's Watch Black • Anti-Reflective Sapphire Crystal • Eco-Drive Radio-Controlled

The Citizen Promaster BY3006-53E is a premium men's wristwatch from the Promaster line, engineered for professionals and adventurers who demand the highest functionality and rugged build quality. The Geo Trekker model impresses with a light-powered Eco-Drive movement and precise radio synchronisation (EUR, JPY, USA, China). The stainless steel case with a diameter of 4.6 cm offers water resistance to 20 bar, making it ideal for demanding conditions. The black dial features a cartographic design inspired by the Age of Exploration, with a UTC disc decorated with a map of the Northern Hemisphere for world time at a glance. Hour hand, minute hand and indices are all luminous-coated for optimal legibility even in the dark. The solid stainless steel bracelet with a safety folding clasp underlines the professional character of this watch.

The Citizen Promaster BY3006-53E combines the proven Eco-Drive principle — fully light-powered, with no battery changes required — with modern radio technology and a power reserve of 180 days. Date, day of the week, world time and a perpetual calendar make it the ideal companion for international travellers and outdoor enthusiasts.

Key Features of the Citizen BY3006-53E

• Eco-Drive with Calibre H864: Light-powered quartz movement with radio control, 180-day power reserve and automatic hand correction.
• Anti-Reflective Sapphire Crystal: Scratch-resistant, anti-reflective sapphire crystal for maximum legibility in all conditions.
• Water-Resistant to 20 Bar: Stainless steel case with shock detection and 20-bar water resistance for professional use.

Care Instructions for Wristwatches

Care & Cleaning

• Daily: Wipe case and bracelet with a soft, dry cloth to remove dirt and perspiration.
• Water-resistant watches: Clean with mild soapy water and a soft brush, rinse, dry thoroughly.
  Important: Screw the crown down firmly beforehand!!!
• Not water-resistant: Clean only dry or slightly damp, do not use water or cleaning agents.
• Avoid: Harsh chemicals, perfume, cosmetics and heat.
• Leather straps: Do not soak, clean only slightly damp and allow to dry away from heat.
• Water resistance: Do not wear in the shower or bath, have it tested annually.
• Battery (quartz): Have a depleted battery replaced immediately.
• Mechanical watches: Service by a master watchmaker every 5 years.

Storage & Handling

• Store the watch separately, not in direct contact with other jewellery (risk of scratching).
• Place mechanical watches on a flat surface when winding, do not leave the crown pulled out.