====== Grand Seiko SBGZ007 ====== {{wst>image_cr|Grand Seiko|SBGZ007}} {{wst>image_cr|Seiko|9R02}} Model **SBGZ007** is a luxury wristwatch by the [[Grand Seiko]] brand in the "Grand Seiko Masterpiece Collection" series. The watch was offered as part of the "Seiko 140th Anniversary Limited Edition" in August [[2021]]. The platinum 950 case is carefully engraved with a pattern repeated in different directions on the polished Zaratsu case, which in turn captures the ever-changing aspect of the spectacular starry sky above Achi. Achi, just like the Micro Artist watch studio of Grand Seiko, is located in the Shinshu region of Japan. The SBGZ007 is powered by a [[Spring Drive]] [[Seiko 9R02|Cal. 9R02]], which achieves the remarkable accuracy of ±1 second per day (±15 seconds per month) and a very high power reserve of eight days (84 hours). **Movement:** * [[Manufacture caliber]] [[Seiko 9R02]] * [[Manual Winding]] [[Spring Drive]], quartz oscillator vibrates at 32.768 Hz * 39 [[jewels]] * [[Double barrel]] with two mainsprings arranged in parallel in one barrel; torque return system. * Power reserve 84 h **Case:** * [[Platinum]] 950, hand carved * Ø 38.5 mm, H 9.8 mm * Double domed [[sapphire crystal]], inside anti-reflective coating * Glass bottom * Magnetic resistance: 4,800 A/m * [[Water resistant]] to 3 atm **Dial:** * Blue with sparkling stars * Hour and minute hands and hour markers in 14-carat white gold **Functions:** * Hour, minute, [[center seconds]] * [[Stop-seconds]] * [[Power reserve indicator]] **Bracelet:** * Crocodile leather strap with [[deployment clasp]] and platinum 950 safety pusher **Limitation:** * 50 pcs. worldwide **Price:** * 80,000 EUR (2021) {{tag>Watch_models Models_with_Spring_Drive Grand_Seiko_models}}