ISA 8171/202 Replaces 8161 Quartz Movement Date At 4' Watch Repair Tools Parts

Product Features: ISA 8171/202 Replaces 8161 Quartz Movement Date At 4' Watch Repair Tools Parts is a high-quality replacement movement for watches. It is made of durable materials and is easy to install. Product Specifications: * Caliber: ISA 8171/202 * Replaces: ISA 8161 * Functions: Hours, minutes, seconds, and date * Accuracy: -10/+15 seconds per month * Battery life: 3 years * Jewels: 7 * Diameter: 11 1/2''' * Thickness: 2.50mm * Origin: Switzerland Benefits: * High quality and durable * Accurate timekeeping * Easy to install * Long battery life Uses: ISA 8171/202 Replaces 8161 Quartz Movement Date At 4' Watch Repair Tools Parts is used to replace a damaged or malfunctioning movement in a watch. It can also be used to upgrade an existing movement to improve accuracy or functionality.

ISA Swiss Movements

Watch Repair Talk: ISA Quartz Movement Identification Guide