{"product_id":"hamilton-jazzmaster-auto-chrono-h328160-valjoux-7750-automatic-46mm-read-desc","title":"Hamilton Jazzmaster Auto Chrono 46mm H328160 | Valjoux 7750","description":"\u003cp\u003eThe \u003cstrong\u003eHamilton Jazzmaster Auto Chrono H328160\u003c\/strong\u003e is a proper old-school racing-style sports chronograph, built around the legendary \u003cstrong\u003eValjoux 7750\u003c\/strong\u003e automatic chronograph movement — a calibre used in plenty of much more expensive Swiss watches.\u003c\/p\u003e\n\u003cp\u003eAt 46mm it has a substantial, chunky feel on the wrist with loads of presence. It is definitely one for people who like a larger, heavier chronograph rather than a slim-wrist watch.\u003c\/p\u003e\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eGood used condition with light signs of normal wear to the bezel, case and bracelet. Overall it presents well with nothing particularly obtrusive. The sapphire crystal is unmarked.\u003c\/p\u003e\n\u003ch3\u003eMechanical condition\u003c\/h3\u003e\n\u003cp\u003eTimegrapher tested across five positions: approximately \u003cstrong\u003e+5 to +10 sec\/day\u003c\/strong\u003e, \u003cstrong\u003e253° to 280° amplitude\u003c\/strong\u003e and \u003cstrong\u003e0.0 to 0.2 ms beat error\u003c\/strong\u003e at 28,800 vph.\u003c\/p\u003e\n\u003cp\u003eThe Valjoux 7750 is running strongly with healthy amplitude, excellent beat alignment and stable positional performance. Power reserve is also very good.\u003c\/p\u003e\n\u003ch3\u003eDay\/date fault — please read\u003c\/h3\u003e\n\u003cp\u003eThis watch has a known day\/date issue: the \u003cstrong\u003eday changes at approximately 2pm rather than around midnight\u003c\/strong\u003e. The date changes at approximately \u003cstrong\u003e00:30\u003c\/strong\u003e. Timekeeping and power reserve are otherwise very good.\u003c\/p\u003e\n\u003cp\u003eBecause of this, the watch is priced accordingly and sold as \u003cstrong\u003espares or repairs\u003c\/strong\u003e. It may suit someone who is happy to use it as-is, or someone looking for a project to diagnose and repair. Please review the product video, where the issue is demonstrated clearly, before purchasing.\u003c\/p\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHamilton outer box — slight damage to one corner\u003c\/li\u003e\n\u003cli\u003eHamilton inner wooden box — good condition, with some flaking to the leather lining\u003c\/li\u003e\n\u003cli\u003eInstruction booklet\u003c\/li\u003e\n\u003cli\u003eOriginal warranty card dated 23.04.2013\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hamilton","offers":[{"title":"Default Title","offer_id":54908101263706,"sku":"920007660240","price":400.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/1951\/7786\/files\/57_c85fdc61-e676-4e02-abc9-1e7ab86ad4e1.jpg?v=1791132352","url":"https:\/\/www.zerohourwatch.com\/products\/hamilton-jazzmaster-auto-chrono-h328160-valjoux-7750-automatic-46mm-read-desc","provider":"Zero Hour Watches","version":"1.0","type":"link"}