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If a 31.0mm crystal is dead size then it will still be only 0.020 of a millimetre larger than the one that you have removed and the gasket will allow for that small difference.
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#SEIKO NUMBER LOOKUP SERIAL NUMBER#
Also a 30.9mm one it will fall into the gasket, 0.1mm is a VERY big difference. Seiko Serial Number Lookup 'When was my Seiko made' We hear that a lot here at WatchSleuth so we built this page to help you figure it out.The page includes a calculator along with instructions and example images to help you find the movement caliber, case code and serial number on the back of your watch.The calculator uses these codes to do.
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The gasket side needs to be a very slight chamfer, just to aid entry and the bezel side needs to be a large chamfer to stop interference with the bezel. See below for a table listing the various case material codes that have been used used. In particular, models powered by the 61 hi-beat movements (36,000 oscillations per hour) are simply gorgeous. Seiko watches use a 6 or 7 digit serial number. The original 1991 listing from the JDM catalog can be downloaded from here - 1991 Seiko Case Codes JDM Catalog Vol1.pdf. In my personal opinion, some of the Grand Seiko’s from the 60’s are among the best vintage dress watches one can buy today, considering their current market value. Or, since the gasket is already somewhat depressed it will slide right in? Any disadvantage compared to the other of your options if I can get it to fit? What's the difference between Cousins own crystals and the MSH Sternkreuz?ĭon't think either of those is suitable, if there is an equal chamfer both sides. Remington 870, 700, 1100 Serial/Barrel Number Lookup Remington. This aims to be the most complete collection of Seiko catalogs and brochures, organized in chronological order. Thanks to all those who helped digitize the old catalogs and make them accessible to all, in particular Anthony Kable of (many old catalogs come from him), the website, Gruppo Seiko 1881, The Watch Site forum, and the whole Seiko community. I suppose there's a risk I would mangle the gasket with the crystal being slightly too wide. This aims to be the most complete collection of Seiko catalogs and brochures, organized in chronological order.
#SEIKO NUMBER LOOKUP SERIES#
Write down the series of numbers and letters you find engraved on the back of the watch. Using your magnifying glass, look carefully on the back plate and around the edges of the back cover for numbers and letters. would it be any idea to try with either or both of a) and b)?Ī) 2.5 mm thick (0.08 too thin) 31.0 mm diameter" (0.02 mm too wide)ī) 2.5 mm thick (0.08 too thin) 30.9 mm diameter" (0.08 mm too narrow)Ĭ have them and as far as I can see there's a chamfer of equal type on both sides? MSH Sternkreuz is £2 each and Cousins is 0.95 each. Turn over the watch face-down on a soft, cloth-covered surface to prevent scratching the watch face and dial.