By contrast, many mircrobrands — and even some luxury ones like Breitling — source Seiko movements for their timepieces. Secondly, Seiko is an absolute behemoth. It is among the industry ...

Their movements also differ. All three use automatic Seiko movements with manual winding, but the Turtle has a calibre 4R36, the Sumo has Seiko’s 6R35 and the Samurai uses a 4R35. The Samurai ...