Winding stems & Extenders

Assortment of 20 winding stems extenders for wrist watches. Thread outside 0,7 mm. The range of watch stem extenders includes the most common sizes for the most popular Swiss and Japanese quartz movements. Your watch winding stem is broken or too short? No problem, you can use a stem extender to lengthen the original broken watch stem to extend to the correct length that you need for your watch repair. You can also change the tap (thread) size from a larger or smaller size to a standard tap (thread) size. Learn More

Assortment of 20 winding stems extenders for wrist watches. Thread outside 0,9 mm. The range of watch stem extenders includes the most common sizes for the most popular Swiss and Japanese quartz movements. If you still have your original stem but it is broken and / or too short to use with your crown, you can use a stem extender to lengthen the original broken watch stem to extend to the correct length that you need for your watch repair. Learn More

Assortment of 100 stems for mechanical wrist watches, for most popular movements like ETA, Miyota, Seiko etc. These mechanical replacement watch stems are a must have for any hobbyist watchmaker or professionals. This watch stem assortment contains various lengths and diameters and it is some times a definite life saver, than you will have the right size stem on hand. Perfect for times when the watch stem is too short, to long, or broken off inside the movement. Learn More

Set of 100 winding stems for quartz watch movement, various lengths and diameters. The winding stem set comes with the most common sizes for swiss and japanese movements, like ETA, Miyota, Seiko, Ronda etc. If you want to repair and clean quartz watches, replacment winding stems are part of the basic equipment of every hobby watchmaker and professional. Learn More

Watch winding stem for movements: ETA 2824, ETA 2801-2, ETA 2804-2, ETA 2821-2, ETA 2834-2, ETA 2836-2, Longines 636.5. A perfect spare part for times when the current watch stem is missing, has been cut too short, or has broken off inside the movement. The replacment watch winding stem is a A&F Switzerland item and it is Swiss made. Learn More

Replacement winding stem for watch movements ETA Valjoux 7750, 7751, 7752, 7753, 7754, 7760, 7765, 7770, threat 0.9 mm. Swiss made by A&F Switzerland. Even the best watch movements can break a winding stem and need to be replaced. With this spare part, your watch can be repaired quickly. Learn More

Replacement winding stem for watch movements ETA Valjoux 7750, 7751, 7752, 7753, 7754, 7760, 7765, 7770, threat 1.2 mm. Swiss made by A&F Switzerland. The ETA Valjoux 7750 is a high-quality movement and yet it sometimes happens that the winding stem breaks, for example. With this spare part, your watch can be repaired in no time at all. Learn More

Replacement winding stem for watch movements ETA 2892, 2892A2, 2890, 940.111. Swiss made by A&F Switzerland. The winding stem is a very sensitive component and can sometimes break. With this spare part, your watch is quickly repaired and works again as it did on the first day. Learn More

Replacement winding stem for watch movements ETA UNITAS 6497 and 6498 by A&F Switzerland, Swiss made. ETA Unitas 6497 and 6498 are two very robust movements for wristwatches, but it can still happen that a winding stem breaks. With this spare part, the repair is done quickly and your wristwatch will work like new again. Learn More

This BULLONGÈ stem assortment contains 10 different stems that fit many popular ETA watch movement calibers like 2824, 2836, 2892 and 7750 and also for replicas or similar movements such as Miyota 8200, 8205, 8215 and 9015. The set also includes 2 types of stem extensions. Saving you time and money by having the parts on hand, there will be no need to wait to complete your watch repair. Simply choose the watch crown stem you need by the caliber. ETA are the most commonly used mechanical movements in luxury watches, which is why this set belongs in every watchmaker's workshop. Learn More

Assortment of 38 original Ronda winding stems for mechanical and quartz movements, swiss made. 19 different stems that fit many popular Ronda watch movement calibers, each size 2 pieces, total 38 pieces. Ronda is one of the most popular manufacturers of watch movements. If you carry out repairs on Ronda watch movements, then you need this watch spare parts set on your workstation. Learn More

Assortment of 26 winding stems for Chinese mechanical movements Sea-Gull, Dixmont, Hangzhou etc. 13 different sizes for caliber DG1800, DG2803, DG2812, DG2816, DG3806, DG3836, DG3804B, DG4813, HZ2189, LB06, 2650SS, 2650G, ML7102, 2L72, SP08, ST6DMD3, ST6DLD3, TY2555, TY2807, TY2867, TY2869, TY2876, TY603. If you want to repair watches with Chinese movements or replace watch movements, then these watch spare parts are an absolute basic equipment for your work bench. Learn More

Winding stem for RLX movements, caliber 1520, 1525, 1530, 1535 - 1556, 1560, 1565 and 1570 - 1580. The winding stem is a very fine watch part, this also applies to the highest quality watches. If the original winding stem on your Rolex watch is defective or broken, then you can replace it quickly with this high quality spare part. Our recommendation: do not buy Chinese watch parts for a luxuy watch, but trust on the quality of the German company Beco Technic. Learn More

Winding stem for RLX movements, caliber 1520, 1525, 1530, 1535 - 1556, 1560, 1565 and 1570 - 1580. Even Rolex cannot override physics, so it can happen that a winding stem breaks or is defective. With this high-quality spare part, the watch is ready for use again very quickly. Spare parts from the German company Beco Technic are of the best quality. Learn More

Winding stem for RLX movements, caliber 2030 and 2035. The winding stem is a small component of the watch but one of the most stressed. If the winding stem is damaged or broken, you can use this spare part to repair your wristwatch immediately. We recommend for luxury watches only the quality of the German company Beco Technic, instead of cheap items from the Far East. Learn More

Generic winding stem for RLX movements, caliber 2130 and 2135. The winding stem of your Rolex watch is broken or damaged? With this spare part, you can repair your watch very quickly and wear it on your wrist again. A luxury watch deserves a high-quality spare part, which is why we recommend Beco Technic from Germany. Learn More

Generic winding stem for RLX movements, caliber 3000, 3030, 3035, 3055, 3075 and 3085. Are you planning to restore your Rolex watch or is the winding stem defective or broken? With this spare part you can replace one of the most stressed components of the watch in no time at all. For a Swiss luxury watch, we do not recommend spare parts from the Far East, but rather quality from the German company Beco Technic. Learn More

Generic winding stem for RLX movements, caliber 3130, 3135, 3155, 3175 and 3185. The original winding stem of your Rolex watch is defective or broken? High-quality watches require high-quality spare parts for repairs. Beco Technic spare parts from Germany are of the best quality and will satisfy you. Learn More

Large assortment of 120 high quality winding stem extenders. Thread outside and inside 0,6 to 1,2mm. The stem extensions are fits winding stems from many mechanical watch movements from Switzerland and Japan, e.g. for many ETA stems, Ronda, Citizen Miyota, Seiko and many more. These stem extenders are used if the winding stem has been discontinued, cut too short, or broken off inside the watch movement. If you still have your original winding stem but it is broken and too short to use with your crown, you can use a stem extender from this assortment, to lengthen the original broken watch stem to extend to the correct length that you need for your repair. You can also use an stem extender that will change the tap (thread) size from a larger or smaller size to a standard tap (thread) size. If you repair high-quality wristwatches, then this set belongs on your workbench. The German company Beco Technic supplies high-quality watch spare parts to watchmakers all over the world. Learn More

Watch winding stem extender assortment kit in the most common sizes, made of stainless steel. 65 pcs in total, 5 pieces per tap sizes. Comes in labeled assortment box. Tap size conversion format is internal / external. Tap sizes included in assortment: Ø0.70 - Ø0.70mm (Tap 7 to 7), Ø0.70 - Ø0.80mm (Tap 7 to 8), Ø0.70 - Ø0.90mm (Tap 7 to 9), Ø0.80 - Ø0.70mm (Tap 8 to 7), Ø0.80 - Ø0.80mm etc. These watch stem extenders are used if the winding stem has been discontinued, cut too short, or broken off inside the movement. If you still have your original winding stem but it is broken and too short to use with your crown, you can use a stem extender from this assortment, to lengthen the original broken watch stem to extend to the correct length that you need for your repair. You can also use an stem extender that will change the tap (thread) size from a larger or smaller size to a standard tap (thread) size. If you want to install or repair watch movements, then such stem extensions are part of the basic equipment of every watchmaker. Learn More