Brand: GRUEN Case size (excluding crown): 17mm Condition: Working, daily rate not measured [No operational guarantee] This item is an antique and sold as-is, so we cannot guarantee any operation or condition, even for items not explicitly mentioned. Please understand this before purchasing. Please note that there may be slight errors due to amateur inspection and measurement. Please refrain from purchasing if you are looking for perfection. We also sell related products such as: #y2k #FOSSIL #FOSSILBIGTIC #BIGTIC #FOSSILblue #TIMEX #TIMEXEXPEDITION #EXPEDITION #TIMEXIRONMAN #IRONMAN #TIMEXINDIGLO #SEIKO #VintageWatches #VintageWatches #AntiqueWatches #VintageWatch #VintageWatch #Seiko #MilitaryWatches #LimitedEdition #Wristwatch #Solar #AutomaticWinding #ManualWinding #White #Black #AnalogWatch #Streetwear #Business #LeatherBelt #StainlessSteelBelt #Chronograph #Hamilton #Citizen #NATOstrap Thank you.