Bruno Söhnle atrium, gentlemen wrist watch. Ca. 38 mm, quartz work: Ronda 6004 B, high-grade steel. Date, center seconds, chronograph, white dial, casing bottom bolted with viewing window, Ref. Number: 318, in wooden box. Total weight the clock 63 g, Service is recommended, with proof of purchase from jeweler Michael / Bochum from November 2006.