Seiko - 【Grand Seiko High Beat Mechanical Caliber 9S85】 The 10-beat caliber 9S85 was developed exclusively for Grand Seiko, 41 years after the very first 10 beat model. Why 10 beat? Because,
![Grand Seiko Heritage Collection "Unkai" Sea of Clouds Hi-Beat 36000 Limited Caliber 9S85 SBGH311 | Watch Rapport Grand Seiko Heritage Collection "Unkai" Sea of Clouds Hi-Beat 36000 Limited Caliber 9S85 SBGH311 | Watch Rapport](https://cdn.shopify.com/s/files/1/0355/9843/4435/products/269f132d372218603d96e26e8cc5ec8d_800x.jpg?v=1686183862)
Grand Seiko Heritage Collection "Unkai" Sea of Clouds Hi-Beat 36000 Limited Caliber 9S85 SBGH311 | Watch Rapport
![Seiko Grand Seiko Sport Collection SBGH289 9S85 Mechanical watch for $5,116 for sale from a Seller on Chrono24 Seiko Grand Seiko Sport Collection SBGH289 9S85 Mechanical watch for $5,116 for sale from a Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/20904305-qt31xp3faj2xupum9hptmepx-ExtraLarge.jpg)