{"product_id":"seiko-calibre-1b21b-quartz-movement","title":"Seiko Calibre 1B21B Quartz Movement","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSeiko Calibre 1B21B Solar Radio-Controlled Quartz Movement\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSeiko Calibre 1B21B\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a three-hand analogue solar quartz movement with radio-controlled time synchronization. It receives supported standard time signals to automatically correct the displayed time, combining solar charging with precise quartz timekeeping.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts radio-signal reception system supports transmitters in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eJapan, China, the United States, and Germany\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Automatic and manual reception modes are available, along with reception-result display, time-difference adjustment, and automatic hand-position correction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe solar-power system converts light into electrical energy and stores it in a rechargeable secondary cell. When fully charged, the movement operates for approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esix months\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, extending to a maximum of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e18 months when power-saving mode is activated\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProduct Type: Solar Radio-Controlled Quartz Movement\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManufacturer: Seiko\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCalibre: 1B21B\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTime Display: Hour, Minute and Central Seconds\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCalendar Function: No\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eQuartz Frequency: 32,768 Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAccuracy Without Radio Reception: ±15 Seconds per Month\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOperating Temperature Range: −10°C to +60°C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDriving System: Stepping Motor\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePower Source: Solar-Powered Rechargeable Secondary Cell\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePower Reserve: Approximately 6 Months When Fully Charged\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMaximum Duration with Power Saving: Approximately 18 Months\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRadio-Reception Regions: Japan, China, United States and Germany\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAutomatic Radio Reception: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManual Radio Reception: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eReception-Result Display: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTime-Difference Adjustment: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAutomatic Hand-Position Correction: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePower-Saving Function: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOvercharge Prevention: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eInstant-Start Function: Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRadio-signal reception depends on the watch’s location, surrounding environment, case construction, antenna, solar cell, and correctly matched electronic components. The movement will continue operating according to its internal quartz accuracy when a radio signal cannot be received.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease compare the complete calibre code, movement layout, hand fittings, stem position, dial configuration, antenna system, solar-cell assembly, case components, and movement holder with your existing watch before ordering. Professional installation is strongly recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePackage Contents\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1 × Seiko Calibre 1B21B Solar Radio-Controlled Quartz Movement\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The rechargeable battery and solar panel are \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot included\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eSeiko is a registered trademark of its respective owner. The trademark and calibre reference are used solely to identify the movement and its specifications.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"WR Accessories","offers":[{"title":"Default Title","offer_id":43283739705553,"sku":"MV-Q-1B21B-1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/6559\/0225\/files\/SeikoCalibre1B21BQuartzMovement.jpg?v=1788621625","url":"https:\/\/wraccessories.com\/it\/products\/seiko-calibre-1b21b-quartz-movement","provider":"WR Accessories ","version":"1.0","type":"link"}