This radio-controlled watch movement is compatible with the Japan Standard Time signal (40kHz from Mt. Ohtakadoya in Fukushima Prefecture and 60kHz from Mt. Hagane in Saga Prefecture) and automatically selects stations.
Accessories: Hour hand, minute hand, second hand, hanger, rubber gasket, washer, hex nut, thin hex stepped nut
Instructions: Japanese instructions included (assembly instructions, operation instructions, dimensions of each part, precautions, warranty, etc.)
Battery: 1 AA battery (batteries not included, please provide your own) Weight (approx.): 50g (batteries not included)
Dimensions: Main body (approx.) 5.6cm x 5.8cm x 1.9cm, hour hand 6.5cm, minute hand 10.8cm, second hand 10cm (distance from center)
Panel thickness: 3mm with hex nuts, up to 5mm with thin hex stepped nuts Mounting hole diameter: 10mm diameter.
Hand hole diameter: Some hands on ordinary wall clocks have different hole diameters and cannot be attached. Please be careful when using them for repairs, etc.
Pin breakage: The pin holes are tightly sewn to prevent them from falling off. There is a possibility that they may break when you attach them. If this happens, we will provide a replacement free of charge up to one time. Please contact us via the order page and we will send it to you by mail.
The pin on the back is inserted to set the movement hands to 12:00. After installing the hands, be sure to remove the pin before inserting the battery. Failure to do so may cause malfunction.
Depending on the location, the signal may be difficult to reach, so please try it in a place facing the outside, such as near a window. Please note that in some locations, the signal may not reach the entire house due to the influence of mountains or buildings.
This product displays the time by receiving radio waves transmitted from the Japan Standard Time Radio Wave, Fukushima Prefecture Standard Time Radio Wave Transmitting Station (40 kHz), and Saga Prefecture Standard Time Radio Wave Transmitting Station (60 kHz). In locations where radio waves cannot be received, the time can be manually adjusted and used as a quartz clock. This is essentially a movement part for use in building your own wall clock, table clock, or quartz clock repair. Prepare your own design for the clock face and install this movement to create your own unique radio-controlled clock. The instructional video demonstrates the assembly process using a commercially available picture frame with your own custom-designed numbers and scale printed on it. The thickness of the clock face is determined by the length of the face fixing screws; this example is for faces up to 5 mm thick. A hex nut is used to secure the clock face. Faces between 3 mm and 5 mm thick can be secured with a thin hex stepped nut. Once assembly is complete, remove the hand position fixing pin on the back and insert the battery. The hands will begin moving and advance to the designated 12 o'clock position. After that, the watch will automatically check for radio wave reception, advance to the current time, and start ticking. This will take about 20 minutes, depending on the radio wave reception conditions.
If you are unable to receive radio signals, move the watch to a location where it can receive signals more easily, such as near a window, and then restart it. Also, please be aware that moving the hands of a radio-controlled clock with your fingers may cause it to malfunction.
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