EXTENDED SHIPPING TIME! The new Chronograph 1970's with its 38mm diameter and 12.40 mm thick "step-case" is identical to the original and set to appeal to vintage chronograph lovers. It is available in 5 dial colors: blue, black, silver (limited to 100 pieces), salmon (limited to 50 pieces) and green (limited to 100 pieces). At its heart is a hand-wound SW510 M BH movement with a 63-hour power reserve a feature appreciated by collectors and daily wearers alike.