Wrist Compass - TritiumManufacture ID: J582TCSThe lightweight and accurate CAMMENGA MODEL J582T TRITIUM WRIST COMPASS provides easy on-the-go referencing for land navigation at day or night. Constructed with a machined aluminum casing for durability in the most demanding conditions. Easy to read 10-degree phosphorescent graduations are enhanced with Tritium Micro Lights for visibility in total darkness, maintenance free, for over ten years. Includes a heavy-duty nylon wristband.Features- Luminosity: Tritium- Jewel Bearing: Sapphire- Needle Stabilization: Induction Damping- Climate Capacity: -25o F to +125o F- Dial Readings: 10 Degree Graduations- Frame Material: Machined Aluminum Casing- Water Resistant: Yes- Expected Luminous Life: 10 Years- Wrist Band: Heavy-Duty Nylon- Colors (Body): Anodized Black- Color (Wrist Band): Black