Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Hole End Clock Mainsprings (4 mm to 13.5 mm height) by PERRIN Sale $8.45 | / SKU CP-M400H 4.00 x .30 x 640 - $8.45 4.50 x .30 x 650 - $8.45 4.75 x .18 x 1145 - $12.02 5.00 x .30 x 700 - $9.23 6.00 x .20 x 900 - $10.24 6.00 x .24 x 1150 - $10.86 6.00 x .25 x 325 - $10.24 6.00 x .25 x 1000 - $10.24 6.00 x .28 x 500 - $10.24 6.20 x .42 x 1200 - $10.86 6.40 x .25 x 600 - $10.24 6.40 x .28 x 390 - $10.24 6.40 x .28 x 840 - $10.24 6.40 x .28 x 975 - $10.24 6.50 x .25 x 325 - $10.24 6.50 x .33 x 800 - $10.24 7.00 x .22 x 575 - $10.24 7.00 x .25 x 325 - $10.24 7.00 x .25 x 575 - $10.24 7.00 x .25 x 925 - $10.62 7.00 x .25 x 1000 - $10.62 7.00 x .30 x 700 - $10.24 7.00 x .30 x 1200 - $11.09 7.00 x .32 x 1000 - $10.62 7.00 x .40 x 850 - $10.24 7.85 x .43 x 1050 - $11.47 8.00 x .20 x 630 - $11.47 8.00 x .25 x 800 - $11.47 8.00 x .25 x 1000 - $11.47 8.00 x .25 x 2200 - $13.49 8.00 x .28 x 1125 - $11.47 8.00 x .30 x 700 - $11.47 8.00 x .35 x 1800 - $12.48 8.00 x .41 x 1350 - $11.47 8.30 x .33 x 1350 - $11.47 8.50 x .20 x 1000 - $11.71 8.50 x .36 x 500 - $11.47 8.70 x .33 x 1650 - $12.87 8.80 x .24 x 580 - $11.47 9.00 x .25 x 1000 - $11.71 9.00 x .28 x 1130 - $11.71 9.00 x .32 x 460 - $11.47 9.00 x .43 x 1350 - $12.33 9.50 x .23 x 1000 - $13.72 9.50 x .26 x 1050 - $13.72 9.50 x .28 x 1200 - $13.72 9.50 x .30 x 1050 - $13.72 9.50 x .35 x 1000 - $13.72 9.50 x .35 x 1200 - $13.72 9.50 x .45 x 1200 - $13.72 10.00 x .20 x 1000 - $12.41 10.00 x .25 x 810 - $12.41 10.00 x .25 x 1000 - $12.41 10.00 x .28 x 1130 - $15.58 10.00 x .32 x 1850 - $19.78 11.00 x .25 x 1000 - $12.41 11.00 x .28 x 1225 - $15.58 11.00 x .30 x 1000 - $15.58 11.00 x .30 x 1900 - $15.58 11.00 x .35 x 1200 - $15.58 11.00 x .35 x 1650 - $19.78 11.00 x .40 x 1380 - $19.78 11.00 x .40 x 1500 - $19.78 12.00 x .25 x 810 - $12.41 12.00 x .25 x 1000 - $12.41 12.00 x .28 x 1130 - $15.58 12.00 x .28 x 1200 - $15.58 12.00 x .30 x 800 - $15.58 12.00 x .30 x 1325 - $15.58 12.00 x .34 x 1150 - $15.58 12.00 x .36 x 1800 - $19.78 12.00 x .38 x 900 - $15.58 12.00 x .38 x 1400 - $19.78 12.00 x .40 x 1100 - $12.41 12.00 x .41 x 1650 - $19.78 12.00 x .46 x 2400 - $19.78 12.50 x .35 x 1800 - $19.78 12.50 x .46 x 1500 - $19.78 12.65 x .22 x 1000 - $19.78 12.70 x .20 x 1950 - $19.78 12.70 x .33 x 675 - $19.78 12.70 x .33 x 1500 - $19.78 12.70 x .46 x 2400 - $19.78 13.00 x .25 x 800 - $12.41 13.00 x .25 x 1000 - $12.41 13.00 x .28 x 1130 - $12.41 13.00 x .30 x 800 - $12.41 13.00 x .30 x 975 - $12.41 13.00 x .30 x 1325 - $15.58 13.00 x .35 x 950 - $15.58 13.00 x .50 x 760 - $15.58 13.50 x .27 x 1800 - $15.58 13.50 x .50 x 760 - $16.52 13.50 x .55 x 700 - $16.52 4.00 x .30 x 640 4.50 x .30 x 650 4.75 x .18 x 1145 5.00 x .30 x 700 6.00 x .20 x 900 6.00 x .24 x 1150 6.00 x .25 x 325 6.00 x .25 x 1000 6.00 x .28 x 500 6.20 x .42 x 1200 6.40 x .25 x 600 6.40 x .28 x 390 6.40 x .28 x 840 6.40 x .28 x 975 6.50 x .25 x 325 6.50 x .33 x 800 7.00 x .22 x 575 7.00 x .25 x 325 7.00 x .25 x 575 7.00 x .25 x 925 7.00 x .25 x 1000 7.00 x .30 x 700 7.00 x .30 x 1200 7.00 x .32 x 1000 7.00 x .40 x 850 7.85 x .43 x 1050 8.00 x .20 x 630 8.00 x .25 x 800 8.00 x .25 x 1000 8.00 x .25 x 2200 8.00 x .28 x 1125 8.00 x .30 x 700 8.00 x .35 x 1800 8.00 x .41 x 1350 8.30 x .33 x 1350 8.50 x .20 x 1000 8.50 x .36 x 500 8.70 x .33 x 1650 8.80 x .24 x 580 9.00 x .25 x 1000 9.00 x .28 x 1130 9.00 x .32 x 460 9.00 x .43 x 1350 9.50 x .23 x 1000 9.50 x .26 x 1050 9.50 x .28 x 1200 9.50 x .30 x 1050 9.50 x .35 x 1000 9.50 x .35 x 1200 9.50 x .45 x 1200 10.00 x .20 x 1000 10.00 x .25 x 810 10.00 x .25 x 1000 10.00 x .28 x 1130 10.00 x .32 x 1850 11.00 x .25 x 1000 11.00 x .28 x 1225 11.00 x .30 x 1000 11.00 x .30 x 1900 11.00 x .35 x 1200 11.00 x .35 x 1650 11.00 x .40 x 1380 11.00 x .40 x 1500 12.00 x .25 x 810 12.00 x .25 x 1000 12.00 x .28 x 1130 12.00 x .28 x 1200 12.00 x .30 x 800 12.00 x .30 x 1325 12.00 x .34 x 1150 12.00 x .36 x 1800 12.00 x .38 x 900 12.00 x .38 x 1400 12.00 x .40 x 1100 12.00 x .41 x 1650 12.00 x .46 x 2400 12.50 x .35 x 1800 12.50 x .46 x 1500 12.65 x .22 x 1000 12.70 x .20 x 1950 12.70 x .33 x 675 12.70 x .33 x 1500 12.70 x .46 x 2400 13.00 x .25 x 800 13.00 x .25 x 1000 13.00 x .28 x 1130 13.00 x .30 x 800 13.00 x .30 x 975 13.00 x .30 x 1325 13.00 x .35 x 950 13.00 x .50 x 760 13.50 x .27 x 1800 13.50 x .50 x 760 13.50 x .55 x 700 Height x Strength x Length (mm) Chevron down icon 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 Hole End Clock Mainspring a German made Hole End Mainspring. They are available available in a variety of sizes.