Model name GRAND SEIKO HERITAGE COLLECTION Ref NoSBGP005 SizeMen's Case diameter 40mm Index bar BeltBracelet Color blue Dial Material SS bezel Movement Quartz Specifications / Notes Master Shop Limited Edition Water resistant to 100m This model is equipped with the high-precision quartz movement "9F85" with an annual difference of ±10 seconds. The case is beautifully finished by rough polishing.