{"product_id":"メンター-ジャンピングアワー-mentor-jumping-hour","title":"MENTOR Jumping Hour TV Watch cal.BF896 \/ 1970s Mechanical Digital","description":"\u003cp\u003e— The good old jumping hour —\u003c\/p\u003e\n\u003cp\u003eA Swiss mechanical digital watch of the 1970s, styled like a cathode-ray television.\u003c\/p\u003e\n\u003cp\u003eWith no hands, telling time by rotating discs, its construction blurs the line between analogue and digital while wearing the futurism of its period.\u003c\/p\u003e\n\u003cp\u003eThree windows — hours, minutes and date — are set out in order, with the red-bordered date adding a quiet accent.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA mechanical digital watch that stands for 1970s retro-futurism. Three small windows lined up in a retro TV-screen case. Fitted with the one-jewel manual-wind Cal.BF896, a movement that carried the history of the popular mechanical watch. Mentor, a brand that developed its own designs largely for the US market. Playful vintage with all the adventure and charm of the 1970s in it.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e— Cal.BF896 —\u003c\/p\u003e\n\u003cp\u003eThe movement is the BF896 calibre made by Baumgartner: a manual-wind, one-jewel construction with a pin-lever escapement.\u003c\/p\u003e\n\u003cp\u003eInexpensive but distinctively built, it was used widely in jumping-hour and disc-display watches and underpinned mechanical watches for the mass market.\u003c\/p\u003e\n\u003cp\u003eThat period character and its particular mechanical interest are exactly what make it appealing as vintage today.\u003c\/p\u003e\n\u003cp\u003e— Traces of Holderbank —\u003c\/p\u003e\n\u003cp\u003eThe name \"Mentor\" was filed in 1953 and registered as a trademark covering watches, components and cases.\u003c\/p\u003e\n\u003cp\u003eBADER \u0026 HAFNER SA, established in postwar Switzerland, carried the name and operated out of Holderbank and Solothurn, largely for the American market.\u003c\/p\u003e\n\u003cp\u003e— A brand that kept innovating its designs —\u003c\/p\u003e\n\u003cp\u003eAlthough its focus was the mass market, Mentor took a forward-looking stance on style.\u003c\/p\u003e\n\u003cp\u003eFrom elegant, minimalist early timepieces it moved in the 1970s into a line of mechanical watches with digital displays — a brand that kept taking design risks well beyond what its price bracket demanded.\u003c\/p\u003e","brand":"Other","offers":[{"title":"Default Title","offer_id":40585289465985,"sku":null,"price":108000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/4313\/6385\/files\/IMG_20251212_145144.jpg?v=1767780498","url":"https:\/\/watchtenderjapan.com\/en\/products\/%e3%83%a1%e3%83%b3%e3%82%bf%e3%83%bc-%e3%82%b8%e3%83%a3%e3%83%b3%e3%83%94%e3%83%b3%e3%82%b0%e3%82%a2%e3%83%af%e3%83%bc-mentor-jumping-hour","provider":"WatchTender","version":"1.0","type":"link"}