Luminox Automatic Sport Timer Mens Watch

Product Overview

The Luminox Automatic Sport Timer Men’s Watch is a precision-engineered timepiece built for active men who demand reliability and performance in challenging environments. Designed with both function and durability in mind, this watch is ideal for outdoor adventurers, water sports enthusiasts, divers, and professionals who operate in demanding conditions. Its automatic movement eliminates the need for frequent battery changes, relying instead on the natural motion of the wearer to keep accurate time. The bold black and white color scheme not only enhances visual clarity but also gives the watch a modern, athletic aesthetic that transitions seamlessly from field use to everyday wear. With a 42mm diameter and a height of just 12mm, it strikes a balance between presence on the wrist and comfort during extended use.

Key Features

• Luminox Self-Powered Illumination: One of the standout features of this watch is Luminox’s proprietary self-powered illumination system. Tiny gas-filled tubes containing tritium gas continuously emit light, ensuring the dial, hands, and markers remain clearly visible in total darkness—no external light source or button activation required. This technology provides constant visibility for up to 25 years without degradation, making it especially valuable for nighttime operations, underwater use, or low-light environments where reliability is critical.
• Carbon-Reinforced Polycarbonate Case: The case and case back are constructed from carbon-reinforced polycarbonate, a material known for its exceptional strength-to-weight ratio. This construction makes the watch significantly lighter than traditional all-metal cases while maintaining high resistance to impacts, shocks, and corrosion. It’s an ideal choice for active users who need a watch that can endure rough handling without sacrificing comfort.
• Unidirectional Ratcheting Bezel: The carbon-reinforced unidirectional bezel is designed for precise tracking of elapsed time—a vital function for divers monitoring bottom time or athletes timing intervals. It rotates only in one direction, preventing accidental over-rotation that could lead to miscalculations. The bezel features a 316L stainless steel outer ring with a black ceramic insert, combining durability with a sleek, professional look.
• Automatic Movement (SW-220): Powered by the SW-220 automatic movement, this watch converts the kinetic energy from the wearer’s arm movements into stored energy, keeping the watch running as long as it’s worn regularly. This self-winding mechanism ensures consistent timekeeping without the need for battery replacements, reducing long-term maintenance and enhancing sustainability.
• 200-Meter Water Resistance: Rated for water resistance up to 200 meters (660 feet), this watch is suitable for swimming, snorkeling, and recreational scuba diving. The screw-down crown and reinforced case back help maintain this level of protection, ensuring internal components remain sealed against water, dust, and moisture ingress.
• Premium Bracelet and Clasp System: The 316L stainless steel bracelet is both corrosion-resistant and highly durable, ideal for exposure to saltwater and daily wear. It includes a diver buckle with a security clasp and the signature Luminox buckle, providing a secure, adjustable fit that stays in place during vigorous activity. The clasp design prevents accidental opening, offering peace of mind during active use.

Technical Specifications

• Model Number: XS.0921
• Color: Black/White
• Size/Diameter: 42mm
• Case Material: 316L stainless steel with carbon-reinforced polycarbonate case and case back
• Bezel: 316L stainless steel with black ceramic ring, uni-directional turning
• Case Back: 316L stainless steel, screw-in
• Crystal: Antireflective sapphire crystal
• Crown: 316L stainless steel, screw-down, protected crown
• Height: 12mm
• Weight: 91g with webbing strap, 178g with stainless steel bracelet
• Water Resistance: 200 meters
• Movement: SW-220 automatic
• Battery: 1 Lithium Ion battery required (for illumination system only; timekeeping is automatic)
• Department: Men’s
• Product Dimensions: 0.47 x 0.39 x 1.97 inches; 3.35 ounces

Benefits & Use Cases

Engineered for real-world performance, the Luminox Automatic Sport Timer excels across a variety of active lifestyles. Its 200-meter water resistance and unidirectional bezel make it a trusted companion for recreational diving, snorkeling, and marine exploration. The anti-reflective sapphire crystal ensures excellent legibility in bright sunlight, while the screw-down crown and robust case construction protect against dust, moisture, and impact. Whether used in field operations, outdoor adventures, or as a reliable daily timepiece, this watch delivers consistent accuracy and rugged dependability. The lightweight design enhances comfort during long wear, and the secure clasp system ensures the watch stays firmly in place during movement.

Important Notes

The Luminox Automatic Sport Timer Men’s Watch is not discontinued by the manufacturer and remains available for purchase. It was first released on December 21, 2020, and carries the ASIN B08GH39HG5. The product includes a standard manufacturer warranty—details of which can be accessed via the provided link. While the watch uses one lithium-ion battery to support the illumination system, the primary timekeeping function is powered automatically through motion. Always ensure the crown is fully screwed down before exposure to water to maintain water resistance. Avoid exposing the watch to strong magnetic fields or extreme temperature changes to preserve accuracy and longevity.