Citizen CB5004-59W Promaster Men's Watch Green • Radio-Controlled Eco-Drive • Sapphire Crystal

The Citizen CB5004-59W is a high-performance men's watch from the renowned Promaster Air line, a timepiece inspired by aviation and powered by cutting-edge technology. The 45.9 mm stainless steel case in silver is framed by a green ion-plated, rotating bezel featuring an integrated slide rule and tachymeter. The green dial with luminous hands and indices is protected by an anti-reflective coated sapphire crystal.

The watch is powered by Citizen's proven Eco-Drive technology (calibre E660): it charges from any light source and requires no battery. Thanks to radio-controlled time reception (EUR, JPY, USA, China), the watch synchronises automatically with atomic clocks for permanent precision. Features include a chronograph (up to 60 minutes, 1-second measurement), a perpetual calendar, daily alarm, time zone recall for 24 cities, and a power reserve indicator. The solid stainless steel bracelet with a safety fold-over clasp and push buttons ensures a secure fit on the wrist. With water resistance to 20 bar, this watch is ready for demanding conditions.

Key Features of the Citizen CB5004-59W Watch

• Radio-Controlled Eco-Drive Calibre E660: Solar-powered with no battery required, automatic radio time synchronisation across four time zones (EUR, JPY, USA, China), and up to 300 days of power reserve.
• Professional Pilot Functions: Rotating bezel with slide rule, tachymeter, chronograph up to 60 minutes, and perpetual calendar for maximum functionality.
• Anti-Reflective Sapphire Crystal and 20-Bar Water Resistance: Robust sapphire crystal with anti-reflective coating and water resistance to 200 metres for outstanding everyday versatility.

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.