Grand Seiko says the watch’s accuracy is -10/+10 seconds per month, while water resistance is 10 bar (about 100 metres). The Grand Seiko Spring Drive Lake Suwa Before Dawn is priced at £8,700 ...

Gone are the – arguably simpler – days when you'd simply purchase a dress watch for the office and a dive watch ... about Grand Seiko, the first thing you mention is Spring Drive.