Brand: SEIKO Case size (excluding crown): 41mm Condition: Operation confirmed, but the battery is not installed. Please note that this item is an antique and sold as-is, and we cannot guarantee its operation or condition for any items not explicitly mentioned. Please understand this before purchasing. Please note that this is a personal inspection and measurement, so there may be some errors. 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 #VintageWatches #VintageWatches #Seiko #MilitaryWatches #LimitedEdition #Watches #Solar #Automatic #ManualWinding #White #Black #AnalogWatches #Streetwear #Business #LeatherBelts #StainlessSteelBelts #Chronograph #Hamilton #Citizen #NATOBelts Thank you.