====== Nomos Tangente Ruthenium Datum ====== {{wst>image_r|Nomos_Tangente_Ruthenium_Datum|Nomos Tangente Ruthenium Datum}} {{wst>image_r|Nomos_Tangente_Glasboden|Nomos Tangente Datum (back)}} **Tangente Ruthenium Datum** is a wristwatch by [[Nomos]]. This is a variant of the [[Nomos Tangente]] with anthracite [[ruthenium]] dial, date indication and glass bottom. **Movement: ** * [[Manual winding]] [[manufacture]] movement [[Nomos Delta]] **Case:** * [[Stainless steel]] 316L * D 35 mm, H 6.6 mm * [[Sapphire crystal]] * Press-in bottom with glass bottom * [[Waterproof]] to 30 m **Functions:** * Hours, minutes, seconds, date **Dial:** * Galvanised, anthracite, [[ruthenium]] * Hands steel, polished, [[rhodinated]] * [[Small seconds]] at 6h, date indication at 6h **Bracelet: ** * Shell Cordovan, steel buckle embossed with NOMOS logo {{tag>Watch_models Nomos_models}}