Citizen Promaster Air Automatic Super Titanium 40 mm Ivory Dial Titanium Bracelet [NK0040-58P]

The Citizen Promaster Air Automatic Super Titanium [NK0040-58P] brings together the precision of Japanese mechanical watchmaking, aviation-inspired functionality and the exceptional performance of Citizen's proprietary Super Titanium™ technology. Designed for enthusiasts who appreciate traditional mechanics and purposeful design, this distinctive timepiece features a beautifully proportioned 40 mm Super Titanium case and matching bracelet. Its warm champagne-ivory dial introduces a sophisticated alternative to conventional aviation watches, combining classic instrument-inspired styling with contemporary materials and mechanical performance.

The elegant champagne-ivory dial is the defining characteristic of this reference, displaying subtle warm metallic tones that shift beautifully with changing light. Applied hour markers, prominent hands and carefully positioned red accents create a striking yet highly legible composition. Surrounding the dial is an aviation slide-rule bezel, a traditional pilot-watch instrument designed to assist with calculations involving speed, distance, fuel consumption and other flight-related measurements. This combination of technical functionality and refined colour gives the Promaster Air a distinctive personality that transitions effortlessly between professional settings and everyday adventures.

At its heart is Citizen's Japanese Calibre 8310 automatic movement, delivering an impressive 60-hour power reserve when fully wound. Powered by the natural motion of the wearer's wrist, the self-winding mechanism operates without a conventional battery, celebrating the enduring appeal of traditional mechanical watchmaking. The movement provides central hours, minutes and seconds, a practical date display and a stop-seconds function for precise time setting. Its extended running time allows the watch to remain operational for approximately two and a half days without additional winding.

The case and bracelet are crafted from Citizen's innovative Super Titanium™, combining the naturally lightweight properties of titanium with proprietary surface-hardening technology for enhanced resistance to everyday scratches. This advanced construction offers excellent wearing comfort and durability while maintaining a refined silver-tone appearance. The matching bracelet follows the contours of the case and secures with a fold-over clasp featuring a concealed push-button release. A scratch-resistant sapphire crystal with anti-reflective coating protects the dial and ensures excellent visibility in changing lighting conditions.

With 200-metre water resistance, a versatile 40 mm case and a compelling combination of mechanical performance and aviation functionality, the Citizen Promaster Air Automatic is designed for both everyday wear and more adventurous pursuits. Its distinctive champagne-ivory dial, practical slide-rule bezel and lightweight Super Titanium construction distinguish it from conventional stainless steel pilot watches. For enthusiasts seeking a sophisticated mechanical timepiece that balances technical innovation, contemporary elegance and the enduring character of Japanese watchmaking, the Promaster Air [NK0040-58P] offers an exceptional combination of performance, comfort and individuality.

Key Highlights

• Super Titanium™ Construction: Lightweight titanium case and bracelet with Citizen's proprietary surface-hardening technology for enhanced scratch resistance.

• Champagne-Ivory Dial: Elegant warm-toned dial with applied hour markers, contrasting hands and distinctive red accents.

• Aviation Slide-Rule Bezel: Traditional pilot-watch functionality for calculations involving speed, distance and fuel consumption.

• Japanese Calibre 8310: Self-winding automatic mechanical movement combining traditional craftsmanship with modern performance.

• 60-Hour Power Reserve: Extended mechanical running time of approximately two and a half days when fully wound.

• 40 mm Super Titanium Case: Versatile proportions with a lightweight, durable silver-tone finish.

• Stop-Seconds Function: Allows precise synchronization when setting the time.

• Super Titanium Bracelet: Matching lightweight bracelet with a secure fold-over clasp and concealed push-button release.

• Anti-Reflective Sapphire Crystal: Scratch-resistant crystal offering excellent dial clarity.

• 200-Metre Water Resistance: Robust 20-bar construction suitable for swimming and recreational marine activities.

Technical Specifications

• Brand: Citizen

• Collection: Promaster

• Series: Promaster Air Automatic

• Model: NK0040-58P

• Movement Type: Japanese Automatic

• Calibre: 8310

• Power Reserve: Approximately 60 Hours

• Functions: Hours, Minutes, Seconds, Date and Stop-Seconds

• Case Material: Super Titanium™

• Case Colour: Silver-Tone

• Case Diameter: 40 mm

• Bezel: Aviation Slide-Rule Bezel

• Crystal: Anti-Reflective Sapphire Crystal

• Water Resistance: 20 Bar / 200 Metres

• Dial Colour: Ivory (Champagne)

• Dial Markers: Applied Indices

• Dial Accents: Red

• Bracelet Material: Super Titanium™

• Bracelet Colour: Silver-Tone

• Clasp: Fold-Over Clasp with Hidden Push-Button Release

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