#SEIKO AUTOMATIC MOVEMENT LIST MANUAL#
The NH36A should be fully wound after about 55 manual turns of the crown. TMI states that measurements should be done within 10-60 minutes after the movement is fully wound up. Note: When you attempt to get a measurement of your watch’s accuracy, it’s important to make sure your watch is fully wound or the lack of power reserve may skew the test results. This shouldn’t have any noticeable bearing on the accuracy, but it’s interesting. Manufacturer Seiko Instruments (SII, TMI) Caliber Number NE86, NE86A Family/Series NE Movement Type Automatic, self-winding mechanical, chronograph Lignes 12.5 Diameter 28.6mm Height 7. These accuracy measurements were recorded without the date complication being active. In the technical documentation, Time Module claims that the NH36A accuracy range is within -20~+40 seconds per day under normal conditions. The main difference is that the NH36A has a complication to display the day of the week and the date, whereas the NH35A only has a date. That said, many people like the complexity of an automatic movement, and when regulated, a modern Japanese or Swiss movement is accurate enough for daily life. The NH35A and NH36A are very similar and both are based on the same Seiko NH family of movements. A high-end Japanese or Swiss automatic movement may be accurate to +/- 5 seconds a day, while a quartz movement like the Seiko 9F will likely be accurate to +/- 10 seconds per year. One of the most popular watch movements available right now is the Seiko Instruments caliber NH35A. In other words, the 4R36 is used in Seiko branded watches, the NH36 is sold to other brands for use in non-Seiko watches. It’s also important to note that the Seiko NH36A movement is basically an unbranded version of the Seiko caliber 4R36 found in the Next Generation Orange Monster. Seiko Prospex SRPB51 Stainless Automatic features: 24 jewel Calibre 4R36 automatic movement Self-winding, hacking Case size: 44mm diameter, 12mm thickness Water resistance: 200m Case back and Crown: Screw-down Seiko Prospex SRPD25 Blue Monster Make no mistake: This is a big, chunky dive watch, though arguably slimmer than its Monster. Some of the topics covered in this caliber listing:
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