Grand Seiko Spring Drive GMT SBGC039
Limited Edition: 500 pieces
Spring Drive GMT
Hand winding capability
Power Reserve: approx 72 hours
Accuracy: +/- 10 seconds per month
Power reserve indicator
High definition dual curved sapphire crystal with inside anti-reflective coating
Screw down crown and see-through caseback
Zirconia ceramic and titanium case
Tri-fold push button release clasp
100M water resistant
Case diameter: 46.4mm
#357 Of 500 Made
Charm of this model
Is a new collection to adopt for the first time the ceramics in case entire surface as Grand Seiko. While traditional modeling is left as it is, this sporty and edgy design never before was born.
Case is the zirconia ceramics in the outer case, has adopted a hybrid structure which adopted Bright titanium each in the inner case. Three-dimensional needle and hour mark, has been both the visibility and the beauty which is excellent by the diamond cut, has produced an innovative sporty.
Equipped with a caliber 9R16 with enhanced normal time accuracy than the Spring Drive movement. It is a high-precision movement of the average month difference ± 10 seconds (day difference ± 0.5 seconds or equivalent). As proof of special precision movement, the rotating spindle which is visible from the see-through back case back it has become a luxury specification emblem of "lion of the coat of arms" made of 18K yellow gold is fitted.