Specification
Brand : Grand Seiko
Reference : 6155-8000
Case Material : ST. Steel
Case Size : 36mm
Lug Width : 18mm
Movement : 6155A (Automatic)
Frequency : 36000 bph
Jewels : 25
Note :
Launched in December 1970, the Grand Seiko “Specials” were regulated to +/- 3 seconds per day – only the VFA’s were more accurate.
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