Specification
Brand : Grand Seiko
Reference : SBGT011
Case Material : ST. Steel +18K Gold Medal
Case Size : 37mm
Lug width : 19mm
Movement : Quartz 9F83 (Special adjust for 5s per year)
Note : Grand Seiko 40th Anniversary Watch, 500pcd Limited Edition, 18K Gold Medal, A "star" mark at 6 clock for extreme precision.
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