Sinn U50 SL Limited Edition of 500 piecesDiameter 41mmThickness 11.2mmCase Material German submarine steel with black hard Tegiment
link coatingDial Color BlackIndexes Painted luminousWater Resistance 500 metersStrapBracelet Matching steel braceletMovementCaliber Sellita SW 300-1Functions Hours minutes secondsDiameter 25.6mmThickness 3.6mmPower Reserve
link 42 hoursWinding Automatic Frequency 4 Hz 28800 vphJewels 25Additional Details
link Anti-magnetic to DIN 8309