RetroChron 61 automatic chronograph watch Watch details: automatic movement stainless steel case indication of date stop function waterproof to 5 ATM turnable inner ring with tachymeter scale case diameter: approx. 54 mm without crown thickness approx. 16,5 mm the totally length of the strap appr. 22cm Limited edition screwed stainless steel backside excellent condition unworn photos are part of the description inshured shipping is provided