HERMLE 131-041
Brand HERMLE Caliber 131-041 Clock version Tischuhrwerk Mechanism Pendel/Federzug Version Rundgong (1 Hammer hinten) Battery Size 90 mm Size 57 mm Mainspring 12.0x0.42x1100 GW 090644 Mainspring 12.0x0.34x1150 SW 090642 MinuteHand 2.0x2.0 mm Hourhand 4.5 mm