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It explains how to use the guide, describes after-sales servicing instruments and materials, and gives general remarks for case construction covering caseback, battery hatch, button and crown units, and stem-with-crown work. The guide details lubrication and cleaning practices, methods for water-resistance testing and repair, and disassembly/reassembly approaches by case construction type, including multiple F/A/G/H/L/R/B/E/C/K/M/P case variants.",{"@graph":69,"@context":121},[70,84,104],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/seiko-watch-case-servicing-guide-general-concepts-of-seiko-watch-case-servicing-guide/677133/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/seiko-watch-case-servicing-guide-general-concepts-of-seiko-watch-case-servicing-guide/677133.png","ImageObject",300,407,{"name":92,"@type":93},"Valentina","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-04",true,{"@type":101,"interactionType":102,"userInteractionCount":4},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"What is the purpose of the SEIKO Watch Case Servicing Guide?","Question",{"text":111,"@type":112},"It standardizes how to handle watch case servicing by defining procedures, tools/materials, and methods for disassembly, reassembly, lubrication, cleaning, water-resistance testing, and repairs.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"Why must the caseback construction mark be confirmed during servicing?",{"text":116,"@type":112},"Because the system of case construction marks was changed, and the guide compiled for newly systemized marks requires confirmation on the caseback when disassembling and reassembling a case.",{"name":118,"@type":109,"acceptedAnswer":119},"Which topics are covered under case construction servicing?",{"text":120,"@type":112},"It includes general remarks for caseback and other components (battery hatch, button/crown units, crown portion, and stem-with-crown work), plus lubrication/cleaning methods and water-resistant testing and servicing methods.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},677133,1793777667,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":4,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":138,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":128,"read_time":143},13056703020460,"https://ap-avatar.wpscdn.com/avatar/be000253dac470eee5d?_k=1778207105932848923","SEIKO  \nWATCH CASESERVICING GUIDE  \nGENERAL CONCEPTS OF SEIKO WATCH CASE SERVICING GUIDE…………………………………1  \nI. HOW TO USE SEIKO WATCH CASE SERVICING GUIDE ………………………………………………2  \nII. AFTER-SALES SERVICING INSTRUMENTS & MATERIALS AND  \nTHEIR USAGE ………………………………………………………………………………………………………………………………4  \nII. GENERAL REMARKS ON CASE CONSTRUCTION ……………………………………………………………6  \n1. General remarks for disassembling and reassembling ……………………………………………………………6  \n2. Caseback portion ………………………………………………………………………………………………………………………………………7  \n3. Battery hatch ………………………………………………………………………………………………………………………………………………12  \n4. Button unit and crown unit ………………………………………………………………………………………………………………13  \n5. Crown portion ……………………………………………………………………………………………………………………………………………14  \n6. Disassembling and reassembling of the stem with crown ………………………………………………………15  \nIV. LUBRICATION AND CLEANING …………………………………………………………………………………………………16  \nV. WATER RESISTANT TEST, AND REPAIR………………………………………………………………………………17  \n1. Checking method ………………………………………………………………………………………………………………………………………17  \n2. Checking and repairing method ………………………………………………………………………………………………………18  \nVI. CASE SERVICING GUIDE BY TYPE OF CASE CONSTRUCTIONS………………………………19  \nChart for each type of case construction  \nF type of case construction …………………………………………………………………………………………………………………………21  \nA type of case construction ………………………………………………………………………………………………………………………23  \nG type of case construction …………………………………………………………………………………………………………………………35  \nH type of case construction ………………………………………………………………………………………………………………………45  \nL type of case construction………………………………………………………………………………………………………………………47  \nR type of case construction …………………………………………………………………………………………………………………………49  \nB type of case construction ………………………………………………………………………………………………………………………51  \nE type of case construction …………………………………………………………………………………………………………………………59  \nC type of case construction …………………………………………………………………………………………………………………………63  \nK type of case construction ………………………………………………………………………………………………………………………67  \nM type of case construction …………………………………………………………………………………………………………………………69  \nP type of case construction …………………………………………………………………………………………………………………………73  \n# GENERAL CONCEPT OF SEIKO WATCH CASE SERVICING GUIDE\n\nThis case servicing guide consists of the following six chapters.  \nCHAPTER I.  HOW TO USE THE WATCH CASE SERVICING GUIDEExplains how to use the SEIKO Watch Case Servicing Guide.  \n# CHAPTER II.  AFTER-SALE SERVICING INSTRUMENTS &MATERIALS AND THEIR USAGE\n\nExplains the after-sale servicing instruments and materials necessary for handling the casing parts.  \nCHAPTER III.GENERAL REMARKS FOR CASE CONSTRUCTIONExplains the general remarks for all case constructions(casebacks,crowns,etc.).  \n# CHAPTER IV.LUBRICATION AND CLEANING\n\nSpecifies the types and quantity of oils to be applied,and the methods of cleaning the casingparts.  \n# CHAPTER V.WATER RESISTANT TEST,AND SERVICING METHODS\n\nExplains the methods of water resistant test and repairing for the water resistant watches(withwater resistant case for ordinary use or with SPORTS 100 type case).  \n# CHAPTER VI.CASE SERVICING GUIDE BY TYPE OF CASE CONSTRUCTION\n\nExplains the disassembling and reassembling methods and remarks by type of case construction.  \n1  \n## 1.HOW TO USE SEIKO WATCH CASE SERVICING GUIDE\n\nFrom September,1978,the case construction marks have been inscribed on the caseback per each model,but atthis time,the system of the marking has been changed.Since this SEIKO Watch Case Servicing Guide has beencompiled in accordance with newly systemized case construction marks,it is necessary to confirm the construc-tion mark on the caseback upon disassembling and reassembling a case.Regarding the models belonging to theprevious system of the case construction marks,you can refer to the previously compiled SEIKO Watch CaseServicing Guide.  \n● Calibers applicable to the previous SEIKO Watch Case Servicing Guide  \nMechanical  \n11,22,29,63 and 70 series.  \nAnalogue Quartz:13,14,23,26,34,47,59","cbCaip2A3RY0fQcK","https://ap.wps.com/l/cbCaip2A3RY0fQcK","pdf",2785017,79,"English","# GENERAL CONCEPT OF SEIKO WATCH CASE SERVICING GUIDE\n## 1.HOW TO USE SEIKO WATCH CASE SERVICING GUIDE\n## CHAPTER II AFTER-SALE SERVICING INSTRUMENTS & MATERIALS AND THEIR USAGE\n## CHAPTER III GENERAL REMARKS FOR CASE CONSTRUCTION\n## CHAPTER IV LUBRICATION AND CLEANING\n## CHAPTER V WATER RESISTANT TEST AND SERVICING METHODS\n## CHAPTER VI CASE SERVICING GUIDE BY TYPE OF CASE CONSTRUCTION","[{\"question\":\"What is the purpose of the SEIKO Watch Case Servicing Guide?\",\"answer\":\"It standardizes how to handle watch case servicing by defining procedures, tools/materials, and methods for disassembly, reassembly, lubrication, cleaning, water-resistance testing, and repairs.\"},{\"question\":\"Why must the caseback construction mark be confirmed during servicing?\",\"answer\":\"Because the system of case construction marks was changed, and the guide compiled for newly systemized marks requires confirmation on the caseback when disassembling and reassembling a case.\"},{\"question\":\"Which topics are covered under case construction servicing?\",\"answer\":\"It includes general remarks for caseback and other components (battery hatch, button/crown units, crown portion, and stem-with-crown work), plus lubrication/cleaning methods and water-resistant testing and servicing methods.\"}]","SEIKO Watch Case Servicing Guide - General Concepts of SEIKO Watch Case Servicing Guide | PDF",199]