Here is a Wikidue combination mechanical 60 minute kitchen timer with a quartz clock on the other side. The face of the clock is signed Wikidue. The clock movement is signed Kienzle Germany and operates on one AA battery. The mechanical timer is signed Wikind SL Dolo Italy. It measures about 3-3/4” long, 3-1/4” wide and 3-1/4” tall.
Sold on eBay on January 5, 2012 for $7.00 (United States). This example had light fading to the plastic housing, but is in excellent working condition on the clock and timer functions.
Some other pictures of this interesting combination clock/timer. Image source: eBay.