CITIZEN NB6031-56E Automatic Diver's Watch 41mm Super Titanium Black Dial

The CITIZEN NB6031-56E is a high-performance automatic diver's watch crafted from Super Titanium™ with Duratect TIC surface hardening. Designed for professional diving and everyday wear, this timepiece combines rugged durability with elegant aesthetics. Powered by the Citizen Caliber 9051 automatic movement, it offers reliable timekeeping with a 42-hour power reserve. The 41mm case features a unidirectional rotating bezel, sapphire crystal with anti-reflective coating, and 200m water resistance (ISO 6425 compliant). The black dial with luminous hands and markers ensures readability in low light. The Super Titanium™ bracelet includes a fold-over clasp with push button, safety lock, and diver's extension. Anti-magnetic to JIS Class 2 (16,000 A/m), this watch is built to withstand challenging environments.

Advantages

Super Titanium™ construction makes the watch extremely lightweight yet strong, while Duratect TIC coating provides scratch resistance. The automatic movement eliminates the need for battery changes, and the 200m water resistance ensures confidence underwater. Luminous elements and a screw-down crown enhance functionality and safety.

Suitable for

• Professional divers and water sports enthusiasts
• Watch collectors seeking a robust automatic timepiece
• Everyday wear for those who value durability and style

Key specifications

• Movement: Automatic Mechanical, Caliber 9051
• Power Reserve: Approx. 42 hours
• Case Material: Super Titanium™ (Duratect TIC)
• Case Diameter: 41 mm
• Case Thickness: 12.3 mm
• Lug-to-Lug: 48.5 mm
• Crystal: Sapphire with anti-reflective coating
• Water Resistance: 200 meters (ISO 6425)
• Bezel: Unidirectional rotating
• Dial Color: Black
• Bracelet: Super Titanium™
• Clasp: Fold-over with push button, safety lock, diver's extension
• Luminescence: Hands and markers
• Crown: Screw-down
• Case Back: Screw-down
• Functions: Hours, minutes, seconds, date
• Anti-magnetic: JIS Class 2 (16,000 A/m)
• Vibrations: 28,800 bph (4 Hz)
• Jewels: 24

Recommendations

For optimal performance, ensure the crown is fully screwed down before water exposure. Regular servicing every 3-5 years is recommended to maintain accuracy and water resistance. This watch pairs well with both casual and formal attire.