Citizen Eco-Drive Promaster 200M Diver Watch BN0100-00E – Screw-Lock Crown

The Citizen Eco-Drive Promaster BN0100-00E is a robust, professional-style dive watch engineered for both underwater performance and everyday wear. It combines Citizen’s innovative Eco-Drive solar technology with ISO-compliant dive functionality, making it ideal for divers, adventurers, and watch enthusiasts alike.

The BN0100-00E is built as a tool for real divers combining tough construction, true dive-ready water resistance, and the convenience of Eco-Drive solar charging. It’s both a capable underwater companion and a versatile everyday watch.

🌞 Eco-Drive Solar Power

• Powered by ANY light source — artificial or natural — with no battery changes required.

🌊 ISO-Compliant Dive Performance

• 200 m / 20 bar water resistance, suitable for recreational scuba diving.

• Screw-lock crown and screw-down case back help secure water resistance under pressure.

🎯 Precision Movement

• Citizen Eco-Drive quartz movement (E168) ensures accurate timekeeping and dependable performance.

• Date display keeps you informed at a glance.

🛡️ Durable Build

• Stainless steel case with a rugged design built to withstand daily wear and underwater conditions.

• Unidirectional rotating bezel for dive timing.

• Mineral crystal protects the dial from scratches.

✨ Readability & Practicality

• High-contrast dial with luminous hands and markers improves visibility in low-light and underwater environments.

• Easy-to-use screw-down crown and functional bezel make operating the watch intuitive.

• Feature Specification
  • Movement Eco-Drive (powered by light)
  • Water Resistance 200 m / 20 bar
  • Case Material Stainless Steel
  • Crown Screw-lock for enhanced dive security
  • Crystal Mineral Crystal
  • Strap Rubber strap (comfort and durability)
  • Dial Black with luminous markers
  • Functions Time + Date