Hello everyone, Up for sale is my Sinn 856 UTC on black leather Sinn strap and also includes a quick release Hirsch brown leather strap. I bought the watch in August of last year on the bay. It does not include the watch box, but it does include the instruction booklet and the WatchBuys card from its original purchase in 2012. On the wrist it's running at -5 to -8s/day. I'm not aware of the service history of this watch. Diameter: 40mm Lug to Lug: 47.5mm Thickness: 11.0mm Lug Width: 20mm WR: 200m Crown: Screw down Case material: Tegimented hardened steel matte finish Crystal: Sapphire. No scratches on the AR Copper sulfate capsule Antimagnetic: 80,000 A/m Movement: ETA 2893-2 Price: Asking $1250