Citizen Super Titanium Rubber Strap Black Dial 48mm BN4021-02E Men's Watch

The Citizen BN4021-02E delivers eco-drive precision and a 48 mm Super Titanium case, with a black dial beneath Mineral crystal and 20 ATM / 200 meters water resistance. Solar-powered and battery-free, it's built for reliable daily performance without maintenance. A confident choice for milestone moments, considered gifts, or self-rewarding occasions.

Precision Timing, Engineered In

The BN4021-02E runs on Citizen's solar movement — recharged by any light source, it eliminates batteries entirely while maintaining accuracy day after day. The Mineral Crystal protects the dial through daily wear, and the dial architecture is laid out for quick legibility under pressure. It's the kind of watch that just works — every time.

Key Features at a Glance

• Eco-Drive Movement (Caliber J280): Recharged by any light source — no battery replacements, ever.
• Super Titanium Case: 5× harder than steel, 40% lighter — all-day comfort at 48 mm.
• Black Dial: Distinctive colour with carefully considered indices for at-a-glance legibility.
• Mineral Crystal: Solid protection against daily knocks and surface scratches.
• 20 ATM / 200 meters Water Resistance: Built for diving and serious water activities.
• Resin Bracelet: Black-finish resin — quality construction for comfortable all-day wear.

Engineered to run forever, designed to impress — order your Citizen BN4021-02E today.

Full Technical Specifications

Avoid Water Contact: Most luxury watches are water-resistant but not waterproof. Remove your watch before swimming, showering, or washing hands in hot water.

Clean Gently: Use a soft, damp cloth to wipe the case and strap. Avoid harsh soaps, detergents, or chemicals.

Leather Straps: Keep leather straps dry and away from moisture to prevent discoloration and damage. Use a soft leather conditioner occasionally.

Metal & Stainless Steel Straps: Wipe with a microfiber cloth. For deeper cleaning, use lukewarm water and a soft brush, then dry immediately.

Avoid Extreme Conditions: Keep your watch away from extreme heat, direct sunlight for long periods, or strong magnetic fields.

Storage: Store in a cool, dry place or a watch box. Avoid stacking multiple watches together to prevent scratches.

Battery & Mechanical Care: For quartz watches, replace batteries promptly. For automatic or mechanical watches, wind regularly and service every 3–5 years.

EU Delivery: 1–5 Business Days

Orders processed within 24–48 hours.