Founded: 1960 as a sub brand, since 2017 as an independent brand (Seiko itself was founded in 1881 as K. Hattori & Co., later becoming Seiko) | Founding place: Nagano, Japan | Founded by: Suwa Seikosha Co. | Current headquarters: Tokyo, Japan | Owned by: privately held (by the Hattori family) | Official (overall) name: Seiko Group Corporation
The Grand Seiko Heritage SBGW309 / SBGW311 / SBGW313 – Mt. Iwate pattern are part of the 44GS series and come in three colors