FOR PARTS/REPAIR – Although. The movement tends to run for several seconds to several minutes at a time after the crown is wound and then spinning the watch face down on a flat surface, the movement does not run consistently for any extended period of time. The longest I’ve observed the movement running consistently was for nearly 10 minutes, during which it kept accurate time. Both the day and date wheels roll over as they should and the quickset date function works flawlessly. The crown turns a bit stiffly when setting the day, date and time. A complete overhaul is required. This vintage 1970’s Tempus has a pristine blue “T SWISS MADE T” signed dial and the lume, which remains fully intact and emits a quick burst glow after being exposed to bright light, has aged gracefully. The world time bezel, which shows wear and rotates smoothly bidirectionally, presents nicely. The chrome-plated case shows honest wear with minor brassing. The outside of the case back is stamped “SWISS MADE – SHOCKPROTECTED – AUTOMATIC – STAINLESS STEEL BACK” while the inside of the case back is stamped M. The crystal should be replaced. The 25 jewels Swiss “BREVETS” and MICHAEL Z. BERGER stamped Baumgartner 158 31/7 automatic movement with quickset date is clean and both the day and date wheels roll over as they should but does not run consistently for any extended period of time. The quickset date function works flawlessly by manually rolling over a new date and then repeatedly moving the hour hand between the 20.5 and 24 hour marks until the desired date has been reached. The brassed, non-screwdown crown winds smoothly. Given that the movement does not run consistently and considering its unknown service history (there is an undecipherable watchmaker service marking on the inside of the case back) a complete overhaul is required. This watch measures approximately 36 mm excluding the crown, approximately 39.5 mm including the crown and approximately 19 mm between the lugs. Case thickness, measured from the bottom of the case back to the top of the bezel, is approximately 10 mm. Including the crystal thickness measures approximately 11.5 mm. Given that the movement does not run consistently and considering its unknown service history a complete overhaul is required. As such there are no warranties, express or implied, attached with the sale of this watch. Vintage means old and while my personal belief is that old-school means better quality and workmanship, things can and do go wrong from time to time. For this watch that time is now. Any servicing costs going forward are your responsibility. And please study the 12 high magnification pictures carefully as they are part of the description and serve as an accurate representation of the condition of this watch.