Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Regula 65 by Regula Sale $12.00 | / SKU 72-573 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Regula 65 Cuckoo Clock Chain Wheel has a diameter of 36 mm.