Face-Off: Seiko Credor Eichi II 7R14 vs. Grand Seiko Spring Drive 9R02
When it comes to finely-finished, time-only movements, the ultimate Seiko offerings are the Credor Eichi II and Grand Seiko Spring Drive 20th Anniversary. The Japanese equivalent of watches like the Akrivia Chronometre Contemporain and Philippe Dufour Simplicity, the pair are the work of the Micro Artist Studio and finished to the same magnificent level, broadly speaking. (The Grand Seiko 8 Day is of the same quality, but it is a much larger and more complex watch.) Because the movements, the 7R14 in the Eichi II and 9R02 in Grand Seiko SBGZ001 and SBGZ003, are fundamentally identical, comparing the finer details of the two – an enlightened, obsessive nitpicking – makes for some interesting conclusions. The 7R14 in the Eichi II (left) and the 9R02 of the Grand Seiko SBGZ001 The sampled are both finished examples that were purchased in stores, and not prototypes, so both are representative of their respective model and movement. Though both were made in the Seiko-Epson’s Micro Artist Studio, probably by the very same craftsmen, the Eichi II was produced in 2015, while the Grand Seiko SBGZ001 dates to 2019, which is the year of its launch, and is the property of Mark Cho, founder of menswear retailer The Armoury. Same but different Both movements share the same architecture and layout, with the key functional difference being the power reserve, in both duration and display. The Eichi II’s 7R14 has a single barrel and a 60-hour power reserve, indicated on a fan-sha...
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