Specification
Brand : Grand Seiko
Reference : 6156-8010
Case Material : ST. Steel
Case Size : 36mm
Lug Width : 18mm
Movement : 6156A (Automatic)
Frequency : 36000 bph
Jewels : 25
NOTE:
Grand Seiko 6156-8010 “Special” was introduced in December 1970, "Special" were regulated to +/- 3 seconds per day – only the VFA’s were more accurate. This 6156-8010 had a high strength stainless steel (“HSS”) case and faceted sapphire crystal. In vintage Grand Seiko, it's a very very rare and collectable timepiece.
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