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+====== Grand Seiko SBGR ======
+{{wst>image_cr|Grand Seiko|SBGR307}}
+**SBGR** is the family of basic modern [[Grand Seiko]] watches from [[Seiko]].
+Introduced in [[1998]], the SBGR family ushered in a new era of mechanical Grand Seiko watches after more than 20 years of unavailability. The range was introduced first in Japan but spread to the rest of the world over the next few years, launching in Europe and North America in [[2010]].
+All SBGR watches are [[automatic]] mechanical watches with no complications beyond a date window.
+===== First Generation =====
+The initial SBGR family, launched in [[1998]], included both time-only models and those with a date window. All used the newly-revised first-generation [[Seiko 9S51|Seiko 9S5x]] movement family, specifically the [[Seiko 9S51|9S51 and 9S55]]. These 28,800 A/h movements offer a 50 hour power reserve.
+  * 9S51 - Automatic SBGR002, SBGR007, SBGR013, SBGR033
+  * 9S55 - Automatic date SBGR001, SBGR003, SBGR005, SBGR009, SBGR011, SBGR015, SBGR017, SBGR019, SBGR023, SBGR025, SBGR027, SBGR029, SBGR031, SBGR035, SBGR037
+===== Second Generation =====
+The SBGR range was revised in [[2010]] for international launch with the new second-generation [[Seiko 9S65|9S65]] movement. All of these models feature a date window and 72 hour power reserve. In [[2012]], Seiko launched an [[antimagnetic]] line in the SBGR family. The family was extended in 2013 with the launch of a "homage" to the legendary [[Grand Seiko 44GS|44GS]], the SBGR081 and SBGR083.
+  * 9S65 -- Automatic SBGR051, SBGR053, SBGR055, SBGR057, SBGR059, SBGR061
+  * 9S65 - 44GS homage SBGR081, SBGR083
+  * 9S65 -- Antimagnetic SBGR077, SBGR079
+<WRAP ud ud_mod>
+**Movement:**
+  * [[Self-winding]] calibre [[Seiko 9S51]], [[Seiko 9S55]], or [[Seiko 9S65]], 28,800 A/h
+  * 24, 26, or 35 [[jewels]]
+  * Power reserve 50 or 72 Hours
+**Case:**
+  * [[Stainless steel]] / Gold
+  * [[Domed]] [[sapphire crystal]] with [[anti-glare treatment]]
+  * Sapphire screw-in case back
+**Functions:**
+  * Hours, minutes, seconds
+  * Optional date
+**Bracelet:**
+  * Metal bracelet or leather strap
+</WRAP>
+{{tag>Watch_models Grand_Seiko_models}}