Description: Metric equivalent is 13.5 x 0.295 x 1562mm. Time & strike side mainspring for older Chelsea models (Chelsea L/#79-B). Can be used on other clocks as well. See other Chelsea mainsprings: #34020,...More Details »
Description: Metric equivalent is 16.6 x 0.24 x 1968mm. Strike side mainspring for current Chelsea models (Chelsea #4L/#9665). Can be used on other clocks as well. See other Chelsea mainsprings: #34020,...More Details »
Description: Metric equivalent is 16.6 x 0.28 x 1803mm. Strike side mainspring for current Chelsea models (Chelsea #4L/#9665-A). Can be used on other clocks as well. See other Chelsea mainsprings: #34020,...More Details »
Description: Metric equivalent is 16.6 x 0.28 x 2135mm. Strike side mainspring for common black phenolic Chelsea models (Chelsea #12E/#7374). Can be used on other clocks as well. See other Chelsea mainsprings:...More Details »
Description: Metric equivalent is 12.7 x 0.315 x 838mm. Mainspring for smallest Chelsea TO Movements (Chelsea K/#862). Can be used on other clocks as well. See other Chelsea mainsprings: #33499, #34021, #34022, #34023, #34024, #34025, & #17492.
Description: Metric equivalent is 13.5 x 0.28 x 1675mm. Time & strike side mainspring for older Chelsea Bell Strike models (Chelsea L/#79-D). Can be used on other clocks as well. See other Chelsea mainsprings:...More Details »
Description: Metric equivalent is 16.6 x 0.28 x 1829mm. Strike side mainspring for older Chelsea models (Chelsea L/#174). Can be used on other clocks as well. See other Chelsea mainsprings: #34020, #34021, #34022, #34023, #34024, #34025, & #17492.
Description: Chelsea part#01105. Used on 75% of 12-hour 12E movements(black phenolic military cased clocks). 45 tooth wheel 25.68mm / 1.01" diameter with a 12 tooth pinion 7.65mm / .30" diameter.
Description: Metric equivalent is 13.5mm wide x 0.25mm thick x 1829mm long. For Chelsea deck clocks (Chelsea #16E/#8832). Can be used on other clocks as well. See other Chelsea mainsprings: #34020, #34021, #34022, #34023, #34024, #34025, & #33499.