Grand Seiko SBGW047
Limited
GRAND SEIKO SBGW047
Grand Seiko SBGW047 Specifications
Exterior
Case MaterialStainless steel
Glass MaterialBox shaped sapphire crystal *Mean daily rate: a mean value of daily rates in a condition where the movement before assembly in a case are measured in 6 positions in a fixed manner under artificially controlled environment for 17 days.
Glass CoatingAnti-reflective coating on inner surface
Band MaterialBlack crocodile leather strap
Bezel MaterialFixed stainless steel
Dial ColorSilver
Case sizeDiameter 37.9 mm × Thickness 11.5 mm
Lug width18 mm
Clasp typeStainless pin buckle
 
Movement
Caliber no9S64   Instruction
Movement TypeMechanical manual winding
Accuracy+5 to -3 seconds per day (under a static use) ; This accuracy is the result of measuring the loss/gain of the time for seventeen days before the inside movements of the watch are put in the case. The measurement has been done in the factory where temperatures or position of the movements are controlled. When the watch is actually worn, the accuracy should be from -1 second/day to +10 seconds/day (-1 second/day to +8 seconds/day for Cal.9S85, 9S86).
 
Functions / Specifications
Water resistance3 bar / 30 m
Magnetic resistanceEquipped (4,800 A/m)
Vibrations28,800/hour (8/second)
FunctionsHour, minute, second
Features
  • Solid case back
  • Screw case back
  • 24 jewels
  • Stop second hand function
  • Power reserve 72 hours
  • LIMITED EDITION number on the case back
Reference : Grand Seiko SBGW047J
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