Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Regula 10 GW by Regula Sale $12.00 | / SKU 72-583 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 10 GW Clock Chain Wheel has a diameter of 45.8 mm.