Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Transmission Gear Regula 72 by Regula Sale $10.20 | / SKU 72-5884 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 Transmission Gear Regula 72 is a coin gear style and has a diameter of 33 mm.