Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Nixon Mens One Size Concrete
Product description: 38 mm case made of PMMA, a modified thermoplastic material, to resist scratches and withstand impact
Product feature: digital, Package Dimensions: 5.6 x 3.7 x 3.7 inches, Shipping Weight: 6.4 ounces, ASIN: B0131PFU4G, Item model number: A336-2101-00, Date first listed on Amazon: August 12, 2016, Average Customer Review: 3.9 out of 5 stars 2 customer reviews
Product brand: NIXON
Target attributes: Mechanical Movement
Answer: attribute: mechanical movement
value: None
source: None