Luminox Air P-38 Lightning 9421 (XA.9421) is a rugged Swiss-made pilot watch built for clear readability and dependable performance in low light and harsh conditions. Inspired by aviation needs, it combines a bold black dial with large Arabic numerals, a 24-hour/GMT rotating bezel, and Luminox Night Vision Tubes that glow for up to 25 years without external charging.
The watch features a 44 mm stainless steel case, a black leather strap, and a sapphire crystal with anti-reflective coating for scratch resistance and better visibility. With 200 m / 20 ATM water resistance, a screw-down crown and solid caseback, it’s suitable for everyday wear, travel, and demanding outdoor use.
| Brand | Luminox |
| Model | Air P-38 Lightning |
| Model / Reference | 9421 / XA.9421 (also listed as LX-9421) |
| UPC | 7611382575579 |
| Movement | Swiss quartz (battery) |
| Display | Analog |
| Dial | Black, large Arabic numerals, 12-hour & 24-hour scale |
| Functions | Time, Date, GMT / 24-hour tracking |
| Illumination | Night Vision Tubes (up to 25 years) |
| Case Material | Stainless steel |
| Case Size | 44 mm |
| Case Thickness | 14 mm |
| Bezel | Bidirectional rotating 24-hour bezel (black) |
| Crystal | Sapphire crystal, anti-reflective coating |
| Crown / Caseback | Screw-down crown, solid screw-down caseback |
| Water Resistance | 200 m / 660 ft / 20 ATM |
| Strap | Black leather, buckle closure |
| Band Width | 26 mm |
| Wrist Fit | Adjustable up to 8 inches |
| Country of Manufacture | Switzerland |
| In the Box | Watch + original Luminox plastic box (no booklet/papers) |
Luminox is known for its self-powered illumination technology, designed for professionals and outdoor users who need constant visibility. The brand is widely associated with tactical and marine use cases and is recognized for durability, legibility and long-life glow performance without external charging.
No. The illumination comes from Luminox Night Vision Tubes, designed to glow continuously for up to 25 years without external charging.
It supports GMT/24-hour tracking via the 24-hour bezel and dial layout, allowing easier reading of a second time zone or 24-hour reference.
It is rated to 200 m / 20 ATM and includes a screw-down crown, making it suitable for swimming and water sports. For professional diving, follow standard precautions (ensure crown is fully secured and seals are maintained).
It comes with a Luminox plastic box. Booklet and papers are not included, but seller warranty is provided.
Yes. The watch uses sapphire crystal with anti-reflective coating, which is highly scratch resistant in everyday use.
Mondaine Watch Ltd.
Etzelstrasse 27
8808 Pfäffikon SZ
Switzerland
Specifications may change without notice as part of continuous product development.