Grand Seiko Introduces the 60th Anniversary Diver 600M SLGA001
Having just unveiled the impressive 9SA5 automatic movement in the Hi-Beat 80 Hours SLGH002 as part of its 60th anniversary line-up, Grand Seiko is also rolling out a newly-developed Spring Drive movement – the first with a five-day power reserve and thermocompensation. Unusually, the new calibre is making its debut in a dive watch, the Grand Seiko 600M Professional Diver’s watch (ref. SLGA001). Characterised by large, angular lugs, case design of the new diver is familiar, borrowing from the current Grand Seiko high-frequency dive watches. In short, it’s the typical Grand Seiko diver look, meaning big, bold and chunky, measuring 46.9 mm in diameter and 16 mm high. Both the case and bracelet are made of Seiko’s proprietary “high-intensity” titanium, which 30% lighter than steel and more resistant to scratches, so the size of the SLGA001 does not translate into substantial weight. Likewise, the dark blue dial retains the usual Grand Seiko dive watch styling. Legibility is maximised with large hands and hour markers – both with generous amounts of luminous paint. The date display on the new diver is at four o’clock, instead of the usual three o’clock. But the date is not just a relocation – thanks to the new 9RA5 movement, the date disc jumps at a “greatly increased” speed for a crisper changeover. The 9RA5 While the design of the watch contains no surprises, the Spring Drive movement inside is brand new and incorporates several features originally...
Time+Tide
