Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Tauchmeister T0247
Product description: This Tauchmeister T0247 watch has a automatic-self-wind movement and a silicone strap. It comes in an authentic Tauchmeister box with a manual and two years warranty.
Product feature: Imported, Product: Tauchmeister T0247, Case size: 46 mm, Case material: stainless-steel, Movement: automatic-self-wind, Authentic Tauchmeister watch with official warranty, ASIN: B007923KPE, Date first listed on Amazon: May 12, 2013, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Tauchmeister
Target attributes: Mechanical Movement
Answer: attribute: mechanical movement
value: automatic
source: product description
attribute: mechanical movement
value: automatic
source: product feature