pip
WS Benefactor
Berkshire, UK
Posts: 6,176 
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Post by pip on Mar 19, 2019 6:19:49 GMT -8
No, I mean on the inside! Can anyone beat this one? I have no idea what it all means other than this piece must have been looked after. Battery change dates in some code I don’t recognise maybe?  |
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HiBeat
Global Moderator
SEIKO Iko Iko GDTRWS
Posts: 8,685
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Post by HiBeat on Mar 19, 2019 17:54:17 GMT -8
Ha! I've had some "busy" inner case backs but this one looks like a NYC subway car !
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small
WS Benefactor
Posts: 2,463
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Post by small on Mar 20, 2019 5:12:09 GMT -8
Isn't there a thread on here that talks about Japanese dating, some type of Imperial calendar that the watch makers use?
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pip
WS Benefactor
Berkshire, UK
Posts: 6,176
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Post by pip on Mar 20, 2019 6:12:11 GMT -8
Isn't there a thread on here that talks about Japanese dating, some type of Imperial calendar that the watch makers use? I’ve definitely seen it mentioned somewhere but thought just somewhere in the internet, and this is from a JDM watch... I’ll have a good look through old posts when I’m in front of a pc and have half hour spare. |
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Post by akable on Mar 22, 2019 23:09:55 GMT -8
They are Japanese dates that reference the period. H stands for Heisei and this began in 1989 i.e. Heisei 1 the first year of the new Emperor. The period for this was Showa and this lasted from 1926 to 1989 (S1-S64). When looking through Japanese materials from the 60's and 70's you will often see the dates listed in the 40's and 50's for example 1975 is Showa 50.
For example H4 would indicate 1992 and H14 would be 2002. If the watch was given an overhaul and not just battery change then watch makers often put OH next to the date.
General date format is in ISO format YY.MM.DD but some watch makers will use their own system that may include other info to track service jobs. Looks like the last service was in 2012 and the owner had the batteries changed regularly every 2-3 years and not just when they ran out.
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pip
WS Benefactor
Berkshire, UK
Posts: 6,176
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Post by pip on Mar 23, 2019 0:11:01 GMT -8
They are Japanese dates that reference the period. H stands for Heisei and this began in 1989 i.e. Heisei 1 the first year of the new Emperor. The period for this was Showa and this lasted from 1926 to 1989 (S1-S64). When looking through Japanese materials from the 60's and 70's you will often see the dates listed in the 40's and 50's for example 1975 is Showa 50. For example H4 would indicate 1992 and H14 would be 2002. If the watch was given an overhaul and not just battery change then watch makers often put OH next to the date. General date format is in ISO format YY.MM.DD but some watch makers will use their own system that may include other info to track service jobs. Looks like the last service was in 2012 and the owner had the batteries changed regularly every 2-3 years and not just when they ran out. Great information Anthony, thank you. |
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scubarob99
Moderator
Just bought a 6309-7049...this is the last one, I promise.
Posts: 3,710
Member is Online
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Post by scubarob99 on Mar 23, 2019 3:02:49 GMT -8
That's a well cared for watch. I have a few that have microscopic info scratched into the inside of the caseback.
Funny enough, on the aqualand I wore the other day, I use a red fine tip marker to write down the month/ year of the battery change (every 3/4 years or so) it's starting to look like your example.
Rob
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pip
WS Benefactor
Berkshire, UK
Posts: 6,176
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Post by pip on Mar 23, 2019 3:33:44 GMT -8
Amazingly I got it for peanuts in a bundle of non runners and was in a sorry state, managed to get her back to good order though. So I guess someone cares for it, then passed it on and eventually someone didn’t. Could easily have ended up in landfill instead of with me or someone else that would fix it. I wonder how many beautiful watches have been buried with the rubbish?
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