Citizen Promaster BJ8055-04E Men's Watch • 30bar Professional Diver • Eco-Drive

The Citizen BJ8055-04E Promaster Professional Diver is an impressive men's watch, specially designed for the extreme demands of diving. Thanks to its innovative Eco-Drive movement, this watch uses any type of light as an energy source, making battery changes permanently unnecessary.

The striking, black-coated stainless steel case gives the watch an indestructible look, while the blue rubber strap ensures optimal wearing comfort and a secure fit. With water resistance up to 30 bar, it is the ideal companion for professional underwater adventures and demanding missions.

Special Features of the Citizen BJ8055-04E Watch

• Professional diving certification according to ISO standard with water resistance up to 300 meters (30 bar).
• Sustainable Eco-Drive movement with a dark power reserve of 180 days for maximum reliability without battery changes.
• Extreme robustness due to a solid case with a screw-down case back, screw-down crown, and unidirectional rotating bezel.

Watch Care Instructions

Care & Cleaning

• Daily: Wipe the case and strap with a soft, dry cloth to remove dirt and sweat.
• Water-resistant watches: Clean with mild soapy water and a soft brush, rinse, and dry thoroughly.
  Important: Screw down the crown firmly beforehand!!!
• Not waterproof: Clean only dry or slightly damp, do not use water or cleaning agents.
• Avoid: Abrasive agents, 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 when showering or bathing, have it checked annually.
• Battery (quartz): Have a dead battery replaced immediately.
• Mechanical watches: Service every 5 years by a master watchmaker.

Storage & Handling

• Store the watch separately, not directly with other jewelry (risk of scratching).
• When winding mechanical watches, take them off; do not leave the crown pulled out.

Jewelry Care – How to keep your jewelry beautiful:

• Remove jewelry before showering, bathing, and sports.
• Avoid direct sunlight – wood, leather & co. can fade.
• Hands off – constant touching leaves grease and dirt.
• No aggressive cleaning agents such as chlorine, salt water, or disinfectants.
• Apply cosmetics and perfume first, then put on jewelry.