Grand Seiko SBGJ249
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GRAND SEIKO SBGJ249
Grand Seiko SBGJ249 Specifications
Exterior
Case MaterialStainless steel
Glass MaterialBox shaped sapphire crystal
Glass CoatingAnti-reflective coating on inner surface
Band MaterialSilver stainless steel bracelet
Bezel MaterialFixed polished stainless steel
Dial ColorBlue color of wave pattern with engraved Grand Seiko logo below the 12 o’clock position, minute markers and Automatic Hi-Beat 36000 GMT logo at 6 o'clock position
Dial HandsTempered silver tone hour, minute second hand and blue colored GMT hand with Zaratsu polished
Dial MarkersSilver tone batons and double batons at 12 o'clock with Zaratsu polished
CrownScrew down at 3 o'clock position
Case sizeDiameter 39.5 mm × Thickness 14.1 mm
Lug to lug46.9 mm
The perimeter of Band185 mm
Clasp typeThree-fold clasp with push button release
 
Movement
Caliber no9S86    Instructions
Movement TypeAutomatic with manual winding
Power reserveApproximately 55 hours
Accuracy+5 to -3 seconds per day (when static) / +8 to -1 seconds per day (normal usage accuracy)
 
Functions / Specifications
Water resistanceSplash Resistant
Magnetic resistanceEquipped (4,800 A/m)
Weight150 g
FunctionsHour, minute, second hand, GMT hand, date window at 3 o'clock
Features
  • 24-hour hand (dual time display function)
  • 37 jewels
  • Calendar-linked time difference adjustment function
  • Case back with 6 screws
  • Case back with lion emblem
  • Date display
  • See-through case back
  • Stop second hand function
Reference : Grand Seiko SBGJ249G
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