German Aviator watch manufacturer Aristo (Brand new with tag) New High tuned watch made in Germany Item number 4H107 High tuned R150 Size case diameter 38.5mm without crown Thickness 9.5mm Weight 58G SS case (see through back) Calf leather strap Black Ronda150 High tuned by Aristo factory Swiss automatic with hack function 5 bar water resistant Accuracy -5to +10 secs /day Tuned in Germany(Not guaranteed) Sapphire glass Date calendar 2 year international guarantee +DHL Shipping +4,800(US/EU/Au)except South America / Africa /Distant area of Australia +Do Not Ship to Africa /South America *IMPORTANT NOTICE* It has high tuned movement Ronda150 A(Tuned by Aristo). It is tuned up in accuracy when it is build up in Germany. Since accuracy is depends on the usage by buyer as you know, it is not guaranteed after shipping out. The accuracy averaged 12 s/d ± 12 s/d 6H by RONDA SA.