L series 16700 info sought

[mk1974]

After as much info on this model ,how can you tell if it's got the right insert as they came in a couple of different colours,some have Swiss on the dial ,some have Swiss t25 ,which is correct for this age ,L series I think should be 1989 cheers mick


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[ASW1]

Here are a few threads that might help.....

http://forum.tz-uk.com/showthread.ph...ighlight=16700
http://forum.tz-uk.com/showthread.ph...ighlight=16700
http://forum.tz-uk.com/showthread.ph...ighlight=16700
http://forum.tz-uk.com/showthread.ph...ighlight=16700
http://forum.tz-uk.com/showthread.ph...ighlight=16700

These two websites had/have lots of info
http://www.doubleredseadweller.com/gmt_transition.htm
http://gmtmasterhistory.com/